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2010
- January 3: Four hardcore
militants of the NLFT (B) surrender to a joint
operation team of 15 and 10 Assam Rifles in
the Taidum area along Tripura-Mizoram border.
The militants include a self-styled corporal
Vhandiram Reang alias Betra, Purnojoy Reang
alias Pilot, Simbabu Reang alias Hozai and
Kripajoy Reang alias Gae.
- January 16: Four suspected militants of
the People’s Liberation Army (PLA), a Manipur
based outfit, have been arrested by the police
from Chandrapur.
- January 24: Seven tribal workers of the
CPM are critically injured after being beaten
up by a group of NLFT militants for refusing
to pay them “tax”.
- January 28: Three insurgents of banned
National Liberation Front of Tripura (NLFT)
surrender to Assam Riffles at Dolucherra camp
in Dhalai district. The extremists were identified
as Bairaham Mohan Tripura, Santosh Debbarma
and Dharmjoy Reang.
- March 31: One ATTF militant surrenders
to Assam Rifles personnel at Duski in West
Tripura district.
- April 4: Tripura Chief Minister Manik Sarkar
said more than 20 militant camps still exist
in Bangladesh.
- April 6: Reports say that the dead body
of the Bru militant, Thankima, was recovered
inside Tripura near the Mizoram border in
last week of March 2010. He was the main accused
in the killing of Zarzokima, a 17-year-old
Mizo youth of Bungthuam village in Mamit district
in western Mizoram on November 13, 2009.
- April 11: Two ATTF cadres, who had deserted
the outfit's Satcherri camp in Habiganj district
of Bangladesh, surrender before the Jirania
Police in West district of Tripura.
- April 20: Six suspected armed militants
of the NLFT abduct a person, Sankar Bijoy
Chakma of Apanbooli village in Dhalai district.
- April 25: A cadre of the ATTF, identified
as Barun Debbarma (29) of Kalyanpur, surrender
before the Police in West district.
- April 30: Director General of Tripura Police
Pranay Sahay says that there are reports of
NLFT movements prior to Tripura Autonomous
District Council (ADC) elections scheduled
to be held on May 3.
- May 3: Polling to the Tripura Tribal Autonomous
district Council ends peacefully with more
than 80 percent turnout.
- May 10: Mizoram decides to take back 2,000
tribal refugees who had sought shelter in
Tripura last year. But thousands are reluctant
to go back without security and money to start
life anew. Around 32,000 Reang tribal refugees
have sought shelter in six camps in north
Tripura, adjacent to Mizoram, since 1997 when
they fled Mizoram west after ethnic clashes
with Mizos over the killing of a forest official.
The union home ministry, through the Tripura
government, has so far spent around Rs.174
crore (Rs.1.74 billion) on their upkeep.
- May 22: A group of 10 NLFT insurgent raides
Shermoon village and demands 20 per cent of
wages from 123 NREGA workers. A team of Tripura
State Rifles (TSR) jawans reached the village
following which the ultras fled.
- May 24: A group of NLFT militants clashes
with TSR jawans at Satraipara in Dhalai district
when the militants trying to sneak into the
village for extortion of NREGA (National Rural
Employment Guarantee Act) funds.
- May 27: Around 1,200 Reang refugees have
returned to their homes in Mizoram for the
first time in 13 years after the Union Home
Ministry asked the State government to take
back the displaced tribals, sheltered in six
Tripura camps. "About 235 families comprising
1,200 men, women and children have been repatriated
in three batches (on Friday, Monday and Wednesday)
to Mamit district of western Mizoram,"
North Tripura's Kanchanpur divisional magistrate
Dilip Chakma said.
- June 16: Nearly 8,000 insurgents, including
those of the outlawed National Liberation
Front of Tripura and All Tripura Tiger Force
surrendered to the authorities in the last
17 years, Tripura Chief Minister Manik Sarkar
said. Since May, 1993 till date 7,992 insurgents
belonging to various organisations, had surrendered,
the Chief Minister told the Assembly on Monday.
Sarkar, who is also the Home Minister, said
in 2009-10 alone 225 insurgents had bid farewell
to arms while 24 insurgency-related incidents
happened during the period. He said that the
number of insurgency-related incidents in
2007 was 113 which came down to 80 in 2008.
Last year it was only 24.
- June 22: Six militants of the outlawed
National Liberation Front of Tripura (NLFT)
surrender before the BSF at Khasia Mangal
in West Tripura district. During interrogation,
they revealed that the frustration among the
lower level of cadres is increasing with every
passing day due to difficult living conditions
in jungles which is further augmented by the
financial hardship faced by them.
- July 2: Thirteen insurgents of All Tripura
Tiger Force (ATTF) surrender before the Assam
Rifles in Agartala after fleeing from their
base camp in Bangladesh. The 13-member group
led by self-styled captain Jagadish Debbarma
deposited a cache of arms with the DIG of
Assam Rifles Brig ST Upasani in presence of
DGP Tripura Selim Ali.
- July 7: Seven insurgents of banned National
Liberation Front of Tripura (NLFT) surrender
to Assam Rifles in two separate incidents.
- July 9: Six insurgents belonging to National
Liberation Front of Tripura (NLFT) surrender
to Assam Rifles in West Tripura district.
The ultras fled from their base camps in neighbouring
Bangladesh surrendered to the camp in-charge
of the Assam Rifles at Teliamura and also
deposited two 9 mm pistols and some live cartridges.
- July 20: Kunal Chakraborty, a doctor of
Gobinda Ballav Pant Medical College and Hospital
in Agartala, is kidnapped by unidentified
armed guerrillas early on Tuesday at Molnom,
and taken to a nearby jungle. He managed to
escape late Tuesday.
- August 6: Suspected NLFT militants kill
two BSF personnel by triggering off an improvised
explosive device (IED) at a remote place adjacent
to the Indo-Bangla border in Dhalai district.
- August 10: Fourteen insurgents of the outlawed
National Liberation Front of Tripura (NLFT)
surrender to the security forces after fleeing
from camps in Bangladesh, police sources said.
Nine of the militants along with 12 family
members surrendered at the Amar BSF outpost
in North Tripura district. Another group of
five miltants of the same outfit surrender
to Assam Rifles at Akhirampara in Dhalai district
on Monday. The first group of nine militants
are among thirty who fled from camps in the
Chittagong Hill Tracts in Bangladesh, but
were attacked on the way by another group
of insurgents. After the encounter the others
went missing.
2009
- January 5: Two All Tripura Tiger Force (ATTF) commanders
along with their wives, who are also militants,
surrender before the Sub-Divisional Police
Officer of Jirania in the West Tripura District.
- January 10: Twenty-four ultras of two outlawed outfits in
Tripura run away from their base camps in
Bangladesh and surrender before security
forces in West Tripura
district.
- January 11: Surrender of six more insurgents of outlawed
National Liberation Front of Tripura (NLFT)
to Assam Rifles after fleeing from their base
camps in Bangladesh. The total
number of surrendered insurgents rises to
30 in last two days.
- January 30: The Border Security Force (BSF) captures Amrit
Debbarma, the leader of a group of around
eleven ATTF extremists.
- February 1: Security Forces arrest two NLFT militants, Rambabu
Reang and Nanturai Reang, from Balucherra
in the Dhalai District.
- February 10: An officer-in-charge (OC) of a police station
in West Tripura
district is seriously injured in an encounter
with suspected All Tripura Tiger Force ultras
at Tuibaklai.
- February 14: 118 BNCT militants desert their hideouts in
Bangladesh
and surrender before the Police at Chawmanu
Police Station in the Dhalai District.
- March 7: Malindra Tripura and Bidhyajoy
Reang, both NLFT militants, surrender before
the Assam Rifles at Teliamura in the West
District.
- March 7: Sushil Debbarma alias Ali, a self styled ‘sergeant’
of the ATTF, lay down arms before the Police
at Kalyanpur in the West District.
- March 12: ATTF militant
Charan Thung Malsum (25) of Takarjala village
near Agartala surrenders before the Police
at Balua village in the West District.
- March 14: Two ATTF militants surrender before the BSF at
Ambassa in the Dhalai District.
- March 19: One ATTF militant surrenders before the SFs at
Simna in the North District along with his
wife.
- April 2: One BSF jawan and a labour of National Building
Construction Corporation are injured when
NLFT militants detonate an IED at Simanapur
border outpost.
- April 13: Two NLFT insurgents, Chaitra Kumar Debbarma (29)
of Baganpara under Takarjala police station
and Alendra Tripura (35) of Khedacherra under
Khedacherra police station surrender before
Officer in Charge (OC) of Silachari police
station.
- April 18: Unidentified militants
kidnap Anurag, a class 5 student of the Shakaibari Holy Cross
School
in Dharmanagar and son of businessman Nirmal
Jain, from Dharmanagar town in the North District.
- May 3: An ATTF militant surrenders in front of the Border
Security Force in Tripura. , Dhirendra Debbarma
(19), a resident of Salema in Dhalai District,
surrenders along with one AK 66 rifle, three
magazines and 68 bullets and 565 Bangladeshi
currencies. Dhirendra reveals that he was
forced to surrender because of a severe resource
crisis in their base camps in Bangladesh.
- May 22: NLFT insurgents ambush a BSF patrolling party injuring
two jawans at Rajbal, a far-flung border village of Kanchapur subdivision.
- June 16: One All Tripura
Tiger Force (ATTF) militant and two National
Liberation Front of Tripura (NLFT) militants
surrender to the security forces.
- June 30: Three Bru National
Liberation Front (BNLF) insurgents are arrested
by 14 Assam Rifles under Kanchanpur police
station.
- July 17: Seven militants of the Manipur-based
Peoples United Liberation Front (PULF-Azad),
including its chief, are arrested by the Anti-terror
personnel of the Mobile Task Force from Nagerjala
motor stand in Agartala.
- July 17: One ATTF militant surrenders to
Assam Rifles at Dhwajanagar Camp in West Tripura
district.
- July 31: One NLFT militant is arrested
by 14 Assam Rifles in an operation in general
area of Jaimanipara.
- Aug 3: Four ATTF and one NLFT militant
surrender to the security forces.
- August 5: Eight ATTF militants surrender
to the BSF at the BSF sector headquarters
at Teliamura in Agartala.
- August 9: Nine ATTF rebels surrender before
senior BSF and Assam Rifles officials in Tripura.
- August 11: Five NLFT (B) militants are
arrested by Assam Rifles personel from the
remote areas of Khedacherra in Tripura.
- August 13: Five NLFT militants are arrested
by Assam Rifles from Khedacherra in north
Tripura district.
- August 17: Five NLFT militants surrender
before Assam Rifles personnel.
- August 18: In a joint operation, Tripura
police and BSF recovers a huge cache of arms
and live ammunition from Karingicherra under
Champahower police station in West Tripura.
The seizure included eight AK-66 rifles, 23
magazines and 70 rounds of live ammunition.
- August 19: Two ATTF cadres surrender before
BSF, Teliamura.
- August 28: The army chief of NLFT, Bidyasingh
Jamatya surrenders at the sub-divisional police
headquarters in Gandacherra of Dhalai district.
- September 1: One ATTF militant surrender
to column of 15 Assam Rifles during a special
operation in the area Nunachara under Mungiakami
police station.
- September 14: Four NLFT cadres surrender
to security forces in three different places
in remote areas of Dhalai district.
- September 15: Two NLFT (BM) cadres surrender
before 35th Battalion of the Assam Rifles
at Mugiakami in West Tripura district.
- September 16: Four ATTF militants surrender
before the 35th battalion of Assam Rifles.
- September 22: Two ATTF militants surrender
before 35th Battalion of Assam Rifles operation
party at Uttar Maharani Pur.
- October 1: NLFT abducts six chakma tribesmen
from Raisyabari border area under Gandacherra
sub-division of Dhalai district. Three villagers
are later set free with a ransom note, demanding
Rs.5 Lakh for the release of the remaining
three.
- October 4: Five NSCN-IM militants are arrested
by the BSF with a huge cache of arms while
they were crossing the Bangladesh border into
Tripura. These militants had deserted their
camps in Bangladesh following a gun battle
with their superiors in which they killed
six senior NSCN-IM militants.
- October 8: Surrendered cadres of All Tripura
Tiger Force (ATTF) and Tribal Liberation Army
(TLA) threaten to launch a 72-hour hunger
strike from October 12 if their demands are
not fulfilled soon.
- October 9: Two insurgents of banned National
Liberation Front of Tripura (NLFT) surrender
to Assam Rifles at Hrankhawlpara in Dhalai
district. The ultras, identified as Dhananjoy
Reang and Motaraham Reang, surrender unconditionally
to the camp-in-charge of Assam Rifles at Hrankhawlpara.
- October 15: Two ATTF militants surrender
before BSF and deposits an AK-56 rifle, three
magazines of AK-56 rifle, 75 rounds ammunition
of AK-56 rifles and nine rounds of 9 mm pistol.
- October 16: Four NLFT cadres surrender
before Assam Rifles operation party.
- October 20: The outlawed militant outfit
National Liberation Front of Tripura (NLFT)
serves an extortion notice to railway employees
in North Tripura.
- November 8: Six insurgents of the outlawed
National Liberation Front of Tripura surrender
before troops in West Tripura district.
- November 9: Ten insurgents of the outlawed
National Liberation Front of Tripura (NLFT)
surrender before troops in Tripura.
- November 9: Seven ultras surrender before
DSP Amiya Chowdhury at Kanchanpur in North
Tripura district and deposit a rifle, 168
live cartridges and two magazines.
- November 9: At least eight tribal villagers
including four women are killed and another
injured by separatists in Tripura. According
to the Police spokesperson Nepal Das, heavily
armed National Liberation Front of Tripura
(NLFT) militants attack Pushparampara village
in northern Tripura at midnight and abduct
eight villagers before gunning them down in
a nearby jungle. The victims are all family
members of 10 NLFT militants who surrendered
before security forces.
- November 14: Eight tribals are gunned down
by the ultras at Pusparampara village of North
Tripura district.
- November 18: One TSR jawan is killed and
another injured seriously in an encounter
with suspected NLFT militants in Dhalai district.
- November 19: Two hardcore militants of
banned National Liberation Front of Tripura
(NLFT) surrender to police in Dhalai district.
- November 21: An insurgent of the banned
National Liberation front of Tripura (NLFT)
surrender to the security forces at Tulasikhar
in West Tripura district.
- November 25: Members of the banned National
Liberation Front of Tripura (NLFT) raids Pusparampara
village in North Tripura district and kidnap
eight tribals, including four women, at gunpoint
and shot them in a nearby jungle. The victims
were relatives of seven NLFT militants who
had surrendered earlier and it is believed
that the NLFT targeted them in retaliation
against the surrenders.
- November 29: Self-styled National Liberation
Front of Tripura (NLFT) supremo- Biswamohan
Debbarma is arrested in Bangladesh. The rebel
leader was arrested by personnel of Director
General Force Intelligence (DGFI) in a posh
area of Dhaka, according to sources from across
the border.
- December 2: Two insurgents of banned National
Liberation Front of Tripura (NLFT) surrender
to the Assam Rifles at Chhamanu in Dhalai
district.
- December 26: Eight insurgents of outlawed
National Liberation Front of Tripura (NLFT),
including one woman, are nabbed by Assam Rifles
from Hamshapara, a remote tribal hamlet in
North Tripura district. The leader of the
insurgent group was identified as self styled
‘captain’ Dube Reang and the woman insurgent
was identified as Swapna Reang.
2008
- January 19: A Special Police Officer, Bhajan Bhowmik killed
by unidentified militants at Khedarnal village
under Nutanbazar police station in the Dhalai
district. Police said that Bhowmik was missing
from his camp and was later found hanging
on a tree nearby his house with multiple head
injuries.
- February 8: Four insurgents of the outlawed National Liberation
Front of Tripura (NLFT) have been arrested
with fire arms in Dhalai district by the Assam
Rifles.
- February 11: Ajit Debbarma, a divisional member of the ruling
Communist Party of India-Marxist
(CPI-M) assaulted and injured by unidentified
militants at Khowai in the West
Tripura district.
- February 22: Four CPI (M) supporters including a polling
agent of the ruling party abducted by Borok
National Council of Tripura (BNCT) militants
at Chawmanu in Dhalai district.
- March 3: A hardcore NLFT militant, identified as Ranjan
Debbarma, killed in an encounter with the
security forces at Tuikurmacherra under Mugiakami
police station.
- March 3: BNCT militants abducts two workers of the National
Projects Construction Company Ltd (NPCC) from
Joyrampara under Gandacherra police station
in the Dhalai district.
- March 4 : Suspected Bru Nationalist Council of Tripura (BNCT)
ultras kidnap two National Projects Construction
Company (NPCC) workers on Monday afternoon
from Joyrampara in Dhalai district.
- March 8: Security forces arrest four BNCT militants from
the jungles of Govindabari area of Chawmanu
police station under Dhalai district.
- March 8: Security forces arrest one NLFT militant from the
jungles of Govindabari area of Chawmanu police
station under Dhalai district.
- March 25: BNCT militants abduct six persons from Khalangthang
area under Kanchanpur police station. Later,
two of them managed to escape from the militants’
captivity.
- March 27: BNCT militants abduct three traders from a forest
reserve in the Ghagracherra area of Dhalai
and took them across the border to the nearby
Chittagong Hill Tracts of Bangladesh. Police
sources said the victims, Bidyajay Tripura,
Surendra Tripura and Purnajay Tripura, had
failed to pay the "tax" imposed
by the militants because they could not afford
to do so.
- March 27: Meghalaya police bust a joint camp run by Hynniewtrep
National Liberation Council (HNLC) and National
Liberation Front of Tripura (NLFT) in Jaintia
Hills.
- March 29: Two villagers abducted by the BNCT militants while
collecting bamboo at Kasthamani Tripurapara
in Bangladesh,
about two kilometres south from international
border. One villager was released with a demand
letter by the militants on the next day.
- March 30: 12 NLFT militants surrender before the Assam Rifles
at Kanchanpur in North
Tripura district.
- April 9: 13 militants of the Biswamohan Debbarma faction
of the NLFT surrender before the security
forces at the Assam Rifles (15th Battalion)
head quarter at Hrankhal Para under Teliamura
police station in the West Tripura district.
- April 22: Two insurgents of the banned National Liberation
Front of Tripura (NLFT) killed in an encounter
with Tripura State Rifles (TSR) personnel
in a remote hamlet of Dhalai district.
- April 27: A construction worker was shot dead and a railway
engineer was kidnapped by insurgents of the
outlawed National Liberation Front of Tripura
(NLFT) in West Tripura
district.
- May 8: Thirty five NLFT cadres, including four hard core
cadres surrendered before the Commandant of
the 14 battalion of Assam Rifles at Kanchanpur
in the North Tripura
district.
- May 16: NLFT militants who abducted railway engineer Debabrata
Das on April 26 from a railway construction
site at Dalhampara near Mungiakami block in
the Barmura hill ranges in the West
Tripura district demanded a ransom
of INR 2500000 for his release.
- May 20: Twenty nine militants belonging to the BNCT surrendered
before the security forces North
Tripura district.
- May 27: One hardcore NLFT cadre is killed in encounter with
Security Forces in Atharamura Hills in West
Tripura.
- May 30: Four NLFT militants are arrested from by BSF jawans
from Thalcherra in Dhalai district.
- June 1: Three NLFT (Biswamohan Debbarma faction) militants
surrendered before the Police at Raishyabari
Police Station at Gandacherra in the Dhalai
district.
- June 5: Tripura
State Rifles personnel rescue abducted
railway engineer Debabrata Das from the captivity
of NLFT-BM militants from Simultuibaklai under
Champahower Police Station in the West
Tripura district.
- June 6: Two ATTF militants, identified as Shyamal Debbarma
alias Bukhatai and Jiti Debbarma alias Baroa,
surrendered before the security forces at
2nd Battalion Tripura State Rifles Headquarter
at R.K Nagar in the West
Tripura district.
- June 13: A tribal villager, Manindra Debbarma alias Kalija
is killed by an unidentified militant, at
Urabai under Sidhai Police Station in the
West Tripura
district. The militant entered into the village
in underground uniform and shot him dead on
the spot while he was sitting with other persons.
- June 14: A minor boy, Alani Kumar Malsum, is abducted by
BNCT militants from Tanthai Bari of Amarpur
subdivision in the South Tripura District.
Police sources said that a group of eight
BNCT militants led by Priyananda Reang, Surenjoy
Reang and Shiba Deb Barma abducted Alani of
at gunpoint and fled.
- June 15: Six NLFT cadres surrendered before Assam Rifles
at Kanchanpur in the North
Tripura district. They also surrendered
a two inch motor, hand grenades, detonator
and gun powder.
- June 22: Unidentified militants kill one civilian, Jatindra
Tripura, at Tulamura Hill Track under Silachari
police station in the South
Tripura district.
- June 29: Two NLFT militants, Sharat Malsum and Chanrai Reang,
are shot dead by a joint team of the Tripura
State Rifles and Central Reserve Police Force
during a counter-insurgency operation at Vishnuprasadpara
village under Ampi police station in the South
Tripura district.
- July 2: Five NLFT militants surrender before the Sub-Divisional
Police Officer of Kanchanpur at Anandabazar
outpost in the North
Tripura district. They are identified
as Nirmal Debbarma, Adhin Charan Debbarma,
Jitendra Debbarma, Sukumar Debbarma and Ranjit
Kumar Reang. They claimed to have deserted
the hideout in Bangladesh and crossed
over the India-Bangladesh border to surrender.
- July 6: Two hand grenades, 10 live rounds and ‘tax’
collection receipt of the NLFT are recovered
from Takhapara under Ganganagar police station.
- July 7: Tripura Police and Assam Rifles personnel recover
six locally-made guns and four extra barrels
belonging to the BNCT group, during a joint
search operation at Barcherra under Kanchanpur
sub-division in the North
Tripura district.
- July 14: Two BNCT militants surrender before the Assam Rifles
at Biswamanipara in the North
Tripura district.
- July 14: Police arrest one BNCT militant from Jalayapara
under Ompi police station in the South
Tripura district.
- July 14: One Syed Ali alias Sagam Ali is produced before
a local court by Tripura police. He confessed
to having visited Pakistan several times to meet Osman
Khan, an influential ISI agent in Karachi. "Osman had arranged
an international passport for me," he
informed the court. Sagam is reportedly from
Bongaigaon in Assam.
- July 24: An improvised explosive device is recovered from
a forest at Jamirlong under Sidhai police
station in the West Tripura district.
- July 24: One NLFT cadre and his two associates surrender
at Killa under Udiapur sub-division in the
South Tripura
district along with two locally made guns.
- July 25: Police kill an ATTF militant during an encounter
at Gandabasti in the West
Tripura district.
- July 26: Tripura
State
Rifles personnel recovere an explosive during
a search operation in a forest near Sambhuharipara-Ambassa
road in the Dhalai district.
- August 18: Tripura
State
Rifles personnel shot dead Two ATTF militants,
Jorai Debbarma and Esrai Debbarma, during
an encounter at Ekcherri under Sidhai police
station in the West Tripura
district.
- August 20: Two NLFT militants are killed in an encounter
with troops of Tripura State Rifles at Thalikpara
under Kanchanpur PS in North
Tripura district.
- August 20: Police commandos arrest one UNLF member at Tekcham
village in Thoubal district.
- September 14: BDR personnel hand over 18 ATTF militants
to the BSF authorities at Khowai Immigration
Centre in West Tripura district.
- September 18: One surrendered militant, Surajit Debbarma,
is abducted by the ATTF militants from an
unspecified village in the West
Tripura district. The surrendered
militant was a NLFT cadre.
- September 27: Four militants belonging to the Biswamohan
Debbarma faction of the NLFT are arrested
by the Assam Rifles personnel while extorting
money from people at Sailut village under
Vangmun police station in the North
Tripura district.
- September 27: On NLFT cadre of Biswamohan Debbarma faction
is arrested by the Tripura State Rifles personnel
during a search operation at Naisingpara under
Ambassa police station in the Dhalai district.
- September 30: Assam
Rifles arrest two NLFT militants from Belbari
area in the West Tripura district.
- October 1: Three persons killed, about 120 injured in four
low intensity blasts within a span of few
hours in Agartala city. The blasts occurred
between 7.30 and 8 pm in crowded places teeming
with pre-Id and pre-Puja shoppers.
- October 3: Self styled ATTF leader Ranjit Debbarma surrenders
to the special police branch in Rantanpur
area of Khowai subdivision in West
Tripura district.
- October 5: NLFT denies its link with the October 1 serial
blasts.
- October 10: Crime Investigation Department (CID) states
that the preliminary investigations into the
October 1 serial blasts in state capital Agartala
indicate a nexus between the Jehadi elements
and the ATTF.
- October 13: Tripura Police arrest two tribal youths, 24
hours after busting their rented house where
explosives for the October 1 serial blasts
were allegedly assembled. The police suspect
them to be collaborators of the ATTF.
- October 14: Investigations point at the involvement of ULFA
in the October 1 serial blast in the Tripura
capital, Agartala. ULFA militants had provided
primary training in the use of explosives
to a group of ATTF militants, besides supplying
them bomb-making materials. According to CID’s
report, Surjya Debbarma masterminded the blasts.
- October 15: Tripura police arrest two persons termed as
key participants in the October 1 Agartala
serial blasts and recovered the mobile set
used as remote for the blasts. Police said
that the main accused Bikash Debbarma was
arrested from Khowai along with the explosive
supplier Dinesh Debbarma, a surrendered ATTF
militant.
- October 17: A joint team of CID and Tripura Police arrest
a key suspect of October 1 Agartala blast,
identified as Kumariya Debbarma, from Duski
area under Teliamura police station in the
West Tripura district.
- October 22: One tribal youth Tapan Debbarma is abducted
at gun point by a group of armed ATTF militants
from Musrai Para village in the Champahowar
police station of West
Tripura district.
- October 24: TSR personnel shot dead an unidentified militant
during an encounter at Adhikaripara under
Manu police station in the Dhalai district.
- November 7: Sachindra Debbarma, the prime accused of Agartala
serial blasts on October 1, has confessed
that the blasts were planned at a hideout
of the Assam based NDFB in Moulavibazar
of Bangladesh on July 22. The cadres of Pakistan-based
ISI and Bangladesh-based DGFI, seven militant
outfits of the north-eastern region had attended
the meeting and planned out the blueprint
of Agartala blasts.
- November 14: Forty three surrendered cadres of the Biswamohan
Debbarma faction of the NLFT threaten to launch
protests by fasting unto death unless pending
criminal cases against them are withdrawn
immediately.
- November 14: Two ultras surrender
- Nov 20: Two insurgents of the outlawed National Liberation
Front of Tripura (NLFT) have surrendered to
the police and one AK-56 rifle was recovered
by Assam Rifles in Tripura, police said today.
- December 1: Police recover bullet ridden dead body of an
unidentified tribal youth from the ambush
point at Wadukcherra in the Dhalai district,
where three BSF personnel and a NPCC supervisor
were killed by the NLFT militants on November
29.
- December 3: Three ATTF militants, identified as Sailen Debbarma,
Dherendra Debbarma and Manoj Debbarma, surrender
before the Tripura State Rifles and Assam
Rifles personnel at Nandibairagibari of Champak
Nagar police station in the West Tripura district.
- December 3: One NLFT militant, identified as Surjyaram Reang,
surrenders before Major R.K. Saha of Assam
Rifles at Kakracherra of Mungiakami police
station in the West Tripura
district.
- December 5: Five ATTF militants, identified as Priya Ranjan
Debbarma, Manoj Debbarma, Ratan Sadhan Jamatia,
Ananta Debbarma and Usha Ranjan Debbarma,
surrender before the Assam Rifles at Hrankhalpara
camp under Teliamura police station in the
West Tripura district.
- December 7: Tripura police have initiated a process to establish
an Anti-Terrorist Squad (ATS) to counter the
potential threat perception, said Director
General of Police (DGP) Pranay Sahay.
- December 12: One NLFT militant, identified as Toksingh Reang
of Teliamura sub-division, surrenders before
the Assam Rifles at Kakracherra under Mungiakami
Police Station in the West Tripura District.
- December 15: Two cadres of the Biswamohan Debbarma faction
of the National Liberation Front of Tripura,
identified as Ukhil Mani Reang and Mandiram
Reang, surrender before Officer-in-Charge
of the Kanchanpur Police Station in North
Tripura District.
- December 28: The CID submits a charge sheet against 12 persons
for their alleged involvement in the Agartala
serial blasts on October 1. The investigation
reveals that the ATTF had carried out the
serial blasts. Of the accused, Dinesh Debbarma,
Bikash Debbarma, Sachindra Debbarma, Kumariya
Debbarma, Santanu Chowdhury, Budhi Debbarma
and Amal Acharjee are in judicial custody.
2007
- February 8: Ratansen Tripura, a tribal leader belonging
to the ruling CPI-M, is killed by NLFT
insurgents at his home in Ratan Nagar village of Dhalai
district .
- February 10: Nine militants of the Meghalaya-based HNLC,
including its senior leader Herman Pakyntein,
surrenders at Panisagar in the North
Tripura district.
- March 6: Two Tripura State
Rifles (TSR) personnel, Samir Choudhury and
Aloke Das, are killed and two others, Shyama
Chandra Debbarma and Sukdeb Tripura, are seriously
injured in an ambush by ATTF militants at
Binan Hazaripara under Champahawr police station
in Khowai subdivision of West
Tripura district.
- August 28: NLFT insurgents attack a work site of the Northeast
Frontier Railway at Swapnabari under Manu
police station in the Dhalai district and
killed a soldier of the Tripura State Rifles.
At least seven persons, including two security
force personnel, have reportedly been killed
in August.
- October 10: The Tripura People’s Democratic Front
(TPDF), the political wing of the ATTF,
in an e-mailed message to the media, announces
the formation of a joint platform comprising
the TPDF, Kamtapur Liberation Organization
(KLO), and the Manipur People’s Liberation
Front (MPLF).
- December 5: Four persons, including two drivers of private
vehicles, are abducted by suspected BNCT militants
at Kanchanpur in the North
Tripura district.
- December 10: Santilal Tripura, a self-styled sergeant and
Mrinal Debbarma, a self-styled corporal of
the Bishwamohan faction of NLFT
surrender before Tripura State Rifles at 22
Card TSR Post. However, no arms are deposited.
- December 31: NLFT insurgents
gun down Chandra Mohan Debbarma, a veteran
tribal Communist leader, at Naksiraipara under
Kalyanpur police station in West
Tripura.
2006
- January 2: 33 cadres belonging to the outlawed National
Liberation Front of Tripura (NLFT) and All
Tripura Tiger Force (ATTF) surrender along
with 18 weapons before the Director General
of Police, G. M. Srivastava.
- January 11: Seven Communist Party of India-Marxist (CPI-M)
activists, including their local leader Harendra
Tripura, are abducted by the NLFT from the
Aswini Roajapara village under Raishyabari
police station in Dhalai district.
- April 24: NLFT cadres kill a truck driver, Ratan Roy, and
wounded four others at Unish Mile along the
Ambassa-Gandacherra road under Ganganagar
police station in the Dhalai district following
the withdrawal of CRPF personnel who reportedly
used to escort the vehicles.
- September 7: A Special Police Officer, Jahindra Debbarma,
is abducted and later shot dead by NLFT
insurgents at Gokulpur area under Teliamura
police station in West Tripura district.
- October 23: About 809 BLFM militants surrender at Naisingpara
in the North Tripura
district.
2005
- February 27: The ATTF abducts Bidyacharan Debbarma, a senior
CPM tribal leader, from the Mandai area under
Jirania police station in West
Tripura district.
- April 17: An engineer of the Oil and Natural Gas Commission
(ONGC) is killed by the ATTF at Montfort village
in the West Tripura
district.
- May 10: Five villagers are killed by NLFT insurgents in a raid on two
villages- Madanjoypara and Jogendra Karbaripara,
under Raishyabari police station in Dhalai
district. All the deceased belonged to the
Chakma community.
- August 15: Four NLFT militants are killed and another sustains
injuries during an internecine clash between
two groups of the outfit over the issue of
surrender at Longtarai hill range in the Dhalai
district.
- September 25: Eight non-tribal villagers are gunned down
by NLFT
insurgents at Debnath Para in West
Tripura district.
- October 16: Suspected ATTF militants kill a CPI-M member,
identified as Bidya Debbarma, at Janmaejoynagar
under Jirania police station in the West
Tripura district.
2004
- January 3: NLFT insurgents
kill five Border Security Force (BSF) personnel
and injure six others in an ambush at Raishabari
in South Tripura
district.
- January 9: Suspected NLFT militants abduct a leader of the
Communist Party of India-Marxist (CPI-M) from
Longtarai Valley subdivision in the
Dhalai district.
- March 20: An assistant manager of a brick kiln and four
labourers are killed by ATTF
insurgents at Champaknagar under Jirania police
station area in West Tripura district.
- May 6: Seventy two NLFT militants, including 22 female cadres,
led by General Secretary Mantu Koloy surrender
before the Tripura Governor Dinesh Nandan
Sahay in the capital Agartala. The other top
‘commanders’ who laid down arms
include self-styled vice president Kamini
Debbarma, ‘finance secretary’
Bishnuprasad Jamatia, ‘assistant finance
secretary’Dhanu Koloy, ‘chief
of army staff’ Benoy Debbarma and ‘deputy
army chief’ Sanjiv Debbarma.
- May 17: An Assistant Commandant of BSF and five other personnel
are killed in an ambush by the Biswamohan
Debbarma faction of the NLFT
at Thalcherra-Gobindabari road in Dhalai district.
- June 6: NLFT-B militants kill a CPI-M worker at Ramratanpara
village in the Dhalai district and abduct
the teenage daughter of another CPI-M activist
from the same place.
- June 14: NLFT militants belonging to the Biswamohan Debbbarma
faction abduct 24 traders after waylaying
two trucks at Quairi village in the North
Tripura district.
- July 26: Seventeen traders abducted by NLFT insurgents on
June 14 reach Khantlang border outpost in
Tripura after being set free by the outfit
from an unspecified hideout located in the
Chittagong Hill Tracts of Bangladesh.
- October 23: A senior CPI-M leader, Gaganjay Tripura, is
killed and a security force personnel is injured
in an attack by NLFT insurgents at Gandacherra town
in Dhalai district.
- December 25: 138 cadres of the National Liberation Front
of Tripura-Nayanbashi Jamatiya surrender before
the Tripura Governor, D.N. Sahay, at the State
Police Training Centre in capital Agartala.
- December 28: In a major ambush, insurgents belonging to
the Biswamohan Debbarma faction of NLFT
kill at least sixteen Territorial Army personnel
and injure three others at Agumabari in South
Tripura district.
2003
- January 26: NLFT insurgents
attack a CPI-M election rally, killing eleven
persons. Incident takes place in Mandai village of West
Tripura district
.
- February 26: Five Border Security Force (BSF) personnel
and a civilian returning from poll duty are
killed in an ambush laid by NLFT militants
at Snatarampara, West
Tripura district. Three BSF personnel
are injured in the attack.
- March 29: Five security force personnel and two civilians
are killed in an ambush by NLFT
insurgents at Sindukumarpara under Manu police
station in Dhalai district.
- April 8: An attack on a private gathering by NLFT insurgents result in the death
of five persons and injury to eight others.
Incident takes place at Jagabandhpura in Dhalai
district.
- May 6: ATTF insurgents
kill eighteen persons and injure six others
during a raid on Sidhai village
of West Tripura
district.
- May 7: NLFT insurgents
open indiscriminate fire at the busy Mohorchora
market area, killing ten persons and injuring
six. The market falls under the jurisdiction
of Kalyanpur police station in West
Tripura district.
- July 16: In two separate incidents, NLFT insurgents kill ten persons,
including four activists of the ruling CPI-M
at Kachucherra in Dhalai district.
- August 11: ATTF insurgents
kill seven police personnel and injure seven
others at Barkathal in West
Tripura district.
- August 14: Thirty non-tribals are gunned down by ATTF insurgents in two separate attacks
at Totabari and Baralunga villages of West
Tripura district. November 1:
NLFT insurgents kill the wife and
four children of a surrendered insurgent of
their own outfit at Lailakbari village in
South Tripura
district.
- September 29: NLFT insurgents
kill six CPI-M activists at Duraicherra in
the Dhalai district kill six members of the
Jamatiya community in South Tripura district. Among those killed
are three CPI-M members.
- November 14: ‘Area commander’ of NLFT-Nayanbasi
faction, Sujit Debbarma, is killed in an encounter
at Golokpara in the West
Tripura district.
- December 6: Seven ATTF militants are killed and eight others
injured in an attack by the rival NLFT terrorists
at Satcherri in the Habiganj district of Bangladesh,
close to the Simna area of Sadar subdivision
in the West Tripura
district.
2002
- January 13: NLFT insurgents
kill sixteen persons at Singicherra in West Tripura district.
- January 18: ATTF insurgents ambush the convoy
of State Industries Minister Pabitra Kar and
the opposition leader of Tripura assembly.
No casualty is reported.
- February 5: Six tribal members of the Gana Mukti Parishad
(GMP) are killed by NLFT
insurgents at Paschim Nalicherra in Dhalai
district.
- February 9: A senior leader of the Nayanbasi faction of
NLFT, Benjamin Hrangkhal, is killed
in an encounter by security forces at Herma
in West Tripura district.
- May 29: Four
Tripura
State Rifles (TSR) personnel
killed and ten others injured in an ambush
laid allegedly by NLFT militants at Ghagracherra,
in Tripura's Dhalai district.
- July 17: NLFT insurgents abduct nine Communist Party of
India-Marxist (CPI-M) activists from Mendi
village in South Tripura district.
- July 21: Suspected NLFT militants abduct five labourers
from Jamir Chara in Dhalai district.
- July 26: Six security force personnel, escorting a group
of Oil and Natural Gas Corporation (ONGC)
field staff, are killed by NLFT
insurgents at Debendra Sardarpara in West
Tripura district.
- August 20: Twenty Tripura State Rifles personnel are killed
and four others injured by NLFT
insurgents in West Tripura
district.
- October 9: NLFT insurgents
kill nine security force personnel in an ambush
at a place called Raishabari in Dhalai district.
- October 26: ATTF insurgents
kill eight civilians and injure nine others
at Battila in West Tripura district.
- November 15: Four top-ranking leaders of ATTF including Pramode Debbarma,
the editor of ATTF
mouthpiece Choba, surrender before Assam Rifles
(AR) personnel at Ganki in West Tripura district.
2001
- January 8: National Liberation Front of Tripura (NLFT) militants
abduct 14 employees of the Indian Railways
and two others in separate incidents in North
Tripura and Dhalai districts,
on January 7 and January 8.
- February 21: NLFT militants release nine railway workers
abducted on January 7, somewhere near Dhamchara
in Dhalai district.
- February 22: 17 TNSF militants led by Kironjoy Reang surrender
in Agartala.
- March 3: Thirteen people, including eleven Central Reserve
Police Force (CRPF) personnel, are killed
in an ambush by ATTF insurgents at Bampur in South Tripura district.
- March 21: Seven civilians and four Border Security Force
(BSF) personnel lose their lives in an ambush
laid by NLFT insurgents in North Tripura district.
- March 24: Three civilians and two security force personnel
are killed in an ambush by NLFT
insurgents at Shikaribari in Dhalai district.
- April 15: ATTF insurgents
open indiscriminate firing, killing eleven
members of the Bengali community and injuring
five others, at Khas Kalyanpur village in
West Tripura
district.
- April 25: ATTF insurgents
kill eight security force personnel at Kantakobra
in West Tripura district.
- May 27: ATTF insurgents
attack the headquarters of Tripura Tribal
Area Autonomous District Council (TTAADC)
located at Khumulawng, killing a Deputy Superintendent
of Police (DSP). Two ATTF insurgents also lose their lives.
- March 27: Thirty eight militants of the Borok National Council
of Tripura (BNCT), including its front-ranking
leader Alendra Debbarma, surrender in Dhalai
district.
- April 4: Twenty seven BNCT militants surrender in the Lalcherra
area of Dhalai district.
- April 9: Five persons including four paramilitary personnel
of the Central Industrial Security Force (CISF)
killed and four injured in an ambush by unidentified
militants at Tulabagan area in West
Tripura district.
- May 22: Sixty militants including 25 NLFT, one ATTF and
34 collaborators surrender at Narsinghgarh.
- June 21: Fourteen BNCT militants surrender in Agartala
- July 30: NLFT insurgents
kill three divisional committee members of
CPI-M in Longthoraivally subdivision of Dhalai
district
- August 6: Six employees abducted by NLFT militants from
two tea gardens in North
Tripura district.
- September 2: NLFT insurgents
2000
- March 24: In an ambush laid by NLFT insurgents, five security force
personnel are killed at Siddhichara in Dhalai
district.
- April 15: NLFT insurgents
kill twelve persons and injure seven others
in West Tripura district.
- April 20: NLFT insurgents
kill eight persons at Laxmipur in North
Tripura district.
- May 18: Seven persons, including four women, are killed
by NLFT
insurgents in South Tripura district.
- May 17, 18, 19, 20: In incidents spread over four days,
NLFT and United Bengali Liberation
Front (UBLF) insurgents killed fourty-five
persons in various places of West
Tripura district.
- July 9: NLFT insurgents
attack the headquarters of Bru National Liberation
Front (BNLF), a Mizoram-based insurgent group
located in the Jampui Hills across Bangladesh,
and kill seventy insurgents of BNLF. Many
top leaders of the outfit are also among the
dead.
- September 4: Seventy Tripura Tribal Commando Force (TTCF)
militants surrender in Agartala.
- October 27: NLFT insurgents
kill five civilians, including a child, at
a place called Debendra Sardarapara in West
Tripura district.
- November 19: Fourteen persons are killed by NLFT insurgents at Borahaldi in North Tripura district.
1999
- January 5: NLFT militants kill a teacher and abduct nine
other persons, including a Bank Manager, in
West Tripura
district.
- February 9: NLFT insurgents
kill five non-tribals and injure eight others
in Sripur village in North
Tripura.
- March 10: Six NLFT militants killed in an encounter with
security forces at Khedacheera in North
Tripura district.
- April 11: In two separate attacks, NLFT insurgents kill six persons
and injure seven others at Tulamura Bazar
area in Tripura.
- April 30: Nineteen NLFT militants lay down arms at Udaipur in South Tripura
district.
- July 10: Six people, including five security force personnel,
are killed in an ambush laid by ATTF insurgents at Takumbari in South Tripura district.
- August 12: NLFT insurgents
kill six persons in an ambush at Manu in Dhalai
district.
- September 26: NLFT insurgents
kill eight BSF personnel in an ambush at Thakcherra
Chhamamu in Dhalai district.
- November 14: Seventeen persons are killed and nine others
injured in attacks by ATTF
insurgents at Panchabati Bazar in West
Tripura district.
- November 15: ATTF insurgents
kill seventeen persons at an unspecified place
in Tripura November 22: Eight Tripura police
constables are killed by NLFT
insurgents at Banduar area under Udaipur
sub-division of South Tripura district.
- November 22: Eight Tripura police constables killed by NLFT
at Banduar area under Udaipur
sub-division of South
Tripura district.
1998
- January 2: An ATTF commander, Bipin Debbarma, is
arrested at Tulshikhar under Teliamuru police
station in Khowai sub-division of West
Tripura district.
- February 12: NLFT insurgents
ambush a security patrol killing six Tripura
State Rifles (TSR) personnel. Incident takes
place at Champraipara in Dhalai district.
- March 20: ATTF insurgents
kill nine persons in different locations of
the state.
- March 22: Five
Tripura
State Rifles personnel are
killed and two others are injured in an ambush
by ATTF insurgents. Incident takes
place at Ganganamant Sardar Para under Kalyanpur
police station in West
Tripura district.
- March 31: The Health Minister of Tripura, Bimal Sinha, is
assassinated by NLFT
insurgents in an ambush at a place called
Abhanga in Dhalai district. A brother of the
minister is also killed in the incident.
- September 7: Twelve civilians injured as NLFT cadres open
fire on a bus at Aloepara in South
Tripura district.
- October 10: NLFT insurgents
kill eight persons in West
Tripura district.
1997
- January 31: Unidentified tribal militants kill six non-tribals
and injure 20 others in a predawn attack at
Taidu Bazar in the South
Tripura district.
- February 5: 140 Tripura Resurrection Army (TRA) cadres,
including its ‘supreme commander’
Dhananjoy Reang, surrender at Korbok near
the India-Bangladesh border.
- February 12: ATTF insurgents kill seventeen non-tribals
and injure twenty others at Tharul Bachai
village in West Tripura district. More than fourty houses
are also set ablaze.
- March 8: 77 Tiger Liberation Organisation (TLO) militants,
including its ‘commander’ Gucharan
Debbarma, surrender at Mungabari in the West
Tripura district.
- March 13: Ninety-eight militants, including 47 Tripura National
Sengkrak Force (TNSF), 14 Tripura Liberation
Force (TLF) and five Tripura Tribal Youth
Force (TTYF) cadres, surrender at Gandacherra
in Dhalai district.
- May 7: NLFT insurgents
kill eighteen Central Reserve Police Force
(CRPF) personnel and a policeman at Khumulung
in South Tripura
district.
- June 10: Eighteen persons, including nine security force
personnel belonging to the Territorial Army
and Ground Reserve Engineering Force (GREF),
are killed in an ambush at Chamanu village
in Dhalai district.
- July 12: Thirty one Tripura Tribal Youth Force (TTYF) militants
surrender at Gandacherra in the Dhalai district.
- September 13: Four ATTF militants are killed in a clash
with NLFT cadres at Bhandarima in the North
Tripura district.
- September 23: During an ATTF
ambush on a police patrol party, seventeen
civilians and five ATTF insurgents lose their lives.
Incident takes place at Dagabil in West
Tripura district.
- November 11: Eleven civilians and nine security force personnel
lose their lives in an explosion triggered
by NLFT insurgents near Raishyabari
in Dhalai district.
1996
- January 20: ATTF insurgents
ambush health workers involved in Pulse Polio
Immunization programme, killing six and injuring
eleven. Incident takes place at an unspecified
location in the state.
- January 20: Five Central Reserve Police Force (CRPF) personnel
and a civilian are killed and 11 persons injured
in an attack by unidentified militants at
Hejamara under Sidhai police station jurisdiction
in West Tripura District.
- February 6: NLFT insurgents
kill an Assistant Commandant of the Border
Security Force (BSF) along with his driver
at a place called Kheegenbari under Khowai
subdivision in West Tripura
district.
- February 25: Tripura Resurrection Army (TRA) militants kill
Durjala Reang, a CPI-M leader and Chairman
of Block Committee, at Lougang under Natunbazar
police station limits in South Tripura district.
- April 4: Six Central Industrial Security Force (CISF) personnel
are killed in an ambush by NLFT
insurgents on the outskirts of state capital
Agartala.
- April 11: Thirty one ATTF militants led by ‘area commander’
Jagadish Debbarma surrender before the Sub
Divisional Officer of Kamalpur at Machuria
in Dhalai district.
- May 12: Armed NLFT insurgents
enter the Rathilila local market and kill
nine persons, which included eight businessmen
and a CPI-M worker. The market is located
under Khowai subdivision in West
Tripura district.
- May 17: Twenty two cadres of the Liberation of Tripura Tribal
Force (LTTF), an affiliate of the NLFT, surrender
before authorities at Thelakumin in West
Tripura district.
- June 19: Forty seven ATTF militants led by ‘area commander’
Basudar Halam surrender at Kamalpur in Dhalai
district.
- September 30: The commander of ATTF, Chill Debbarma, is killed in
an encounter with the security forces at Jharilangbari
under Teliamura police station limits in West
Tripura district.
- November 28: Five CISF personnel are killed and eight others
injured in an ambush by unidentified militants
while they were proceeding towards the Oil
and Natural Gas Commission (ONGC) drilling
site from Agartala.at Bagbari in West
Tripura district.
- December 13: NLFT insurgents
kill twenty-five non-tribals and injure twenty-seven
others at Kalyanpur in West
Tripura district.
- December 20: NLFT insurgents
ambush and kill nine police personnel, on
their way to rescue some abducted bus passengers,
at an unspecified place in North Tripura district.
1995
- January 21: 159 Tripura Tribal Democratic Force (TTDF) cadres
surrender at Killa in the South
Tripura district
- February 18: 58 Sengkrak insurgents led by ‘area commander’
Mohan Kumar Jamatiya surrender at Amarpur
in the South Tripura district
- July 13 : NLFT insurgents
kill seven security force personnel escorting
a passenger bus at Hejamara under Manu police
station in Dhalai district. They also loot
a huge quantity of ammunition from the security
forces.
- August 11: NLFT militants kill four GREF personnel, injure
two others in an ambush at Jaliya under Natum
Bazar police station limits in South
Tripura district.
- September 20: 214 ATTF militants surrender along with huge
cache of arms and ammunition at an unspecified
place in the South Tripura district.
- October 16: 175 All Tripura Volunteer Force (ATVF) cadres
surrender along with arms and ammunition at
an unspecified place in the West
Tripura district.
- October 20: 67 Tripura Liberation Organisation (TLO) cadres
surrender at Patni under Jirania police station
jurisdiction in the West
Tripura district.
- December 30: 160 cadres of the Tripura Liberation Organisation
(TLO) surrender at Sadan in the West
Tripura district.
1993
- May 25: ATTF insurgents
kill six persons, including four Tripura State
Rifles personnel, in an ambush near Dalpatipara
in South Tripura
district.
- September 6: 739 All Tripura Tiger Force ( ATTF) insurgents lay down arms.
- September 20: NLFT militants
attacked a police station and killed seven
security force personnel and injured nine
others in North Tripura
district.
1992
- January 3: ATTF insurgents
ambush the convoy of Tripura Chief Minister
Sudhir Ranjan Mazumdar at Sindheukummarpara
in North Tripura
district. The Chief Minister escapes unhurt.
- April 13: ATTF insurgents
kill a senior Tripura Upajati Juba Samity
(TUJS) leader Debabrata Debbarma in North
Tripura district.
1991
- October 28: Massive combing operations are launched by security
forces against ATTF
insurgents.
1988
- August 12: More than 400 TNV militants led by Bijoy Hrangkhawl
lay down arms and come over-ground under a
tripartite agreement between the Union
and State governments and the TNV. The significant
point of the agreement, Memorandum of Understanding
With Tripura National Volunteers, was restoration
of alienated lands to tribal people.
1980
- June: More than 500 killed in armed clashes between tribals
and Bengali-speaking settlers in Mandai, Amarpur
and other places.
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