ULFA: Chronology

1979-1985: The group was involved in different violent activities during the six year long Assam agitation,spearheaded by All Assam Students’ Union.

May 9,1990: ULFA kills Surendra Paul,a leading tea planter and brother of Lord Swraj Paul,causing many tea estate managers to flee the state.

Nov 28,1990: President’s rule imposed in Assam,dismissing the then Prafulla Kumar Mahanta government; Centre bans the ULFA; Indian Army launches Operation Bajrang as counter offencive against the group.

Jul 1,1991: ULFA cadre abduct 14 people including an engineer of erstwhile USSR.

Jan 14,1992: Operation Rhino against ULFA suspended by state government as the group agrees for talks.

Apr 11,1992: ULFA guns down 10 security personnel.

Jun 29,1994: Vice-Chairman of the group Pradip Gogoi nabbed by security forces.

Apr 28,1996: Lt Col Devendra Tyagi shot dead by the terrorists in the Kamakhya temple,Guwahati.

May 18,1996: Superintendent of Police,Tinsukia,Ravi Kant Singh killed by ULFA.

Jun 8,1997: Chief Minister Prafulla Kumar Mahanta escapes attempt on life after his convoy is ambushed by the ULFA in Guwahati.

Jul 4,1997: The banned outfit kills social activist Sanjoy Ghosh.

Jan,1998: ULFA general secretary Anup Chetia arrested in Dhaka.

Feb 4,1999: ULFA and three other insurgent groups in the region launch their websites.

Sep 24,1999: BJP Lok Sabha candidate Pannalal Oswal killed in Dhubri ahead of polls by the outfit.

Feb 27,2000: ULFA kills the then state PWD and Forest Minister,Nagen Sharma in Nalbari district.

Dec 15,2003: Royal Bhutan Army launches military operations against the ULFA,NDFB and KLO terrorists.

Dec 22,2003: ULFA seeks safe passage from China for its cadre from Bhutan.

Nov 18,2004: ULFA Chairman Arabinda Rajkhowa expresses willingness to begin a peace dialogue with the Centre.

Oct 26,2005: Negotiations between the Centre and the ULFA-nominated People¿s Consultative Group start in New Delhi.

Jan 1,2006: Rajkhowa demands release of senior leaders of ULFA before holding direct talks with New Delhi.

Jul 1,2006: The outfit expresses willingness to hold direct talks with the Centre.

Aug 13,2006: The Centre stops all operations by security forces against the ULFA for a few days.

Aug 31,2006: Paresh Barua in a communique assures the Union Government that its jailed leaders will not abscond,after being released.

Sep 24,2006: Government resumes counter-insurgency operations against ULFA after the deadline for ceasefire expired on September 20.

Sep 27,2006: PCG pulls out from the peace talks with the Union Government.

Oct 30,2008: About 77 persons killed and more than 300 injured in 13 near-simultaneous blasts in Assam.

Dec 21,2008: General secretary of ULFA,Golap Barua alias Anup Chetia,moves to the UN for refugee status once released from Bangladesh jail where he was under trial.

Jul 21,2008: The Centre confirms that Paresh Baruah has moved out of Bangladesh for some time.

Oct 14,2008: Home Minister P Chidambaram said talks with the ULFA only after it abjures violence.

Nov 6,2009: ULFA’s ‘foreign secretary’ Sashadhar Choudhury and ‘finance secretary’ Chitraban Hazarika surrender before BSF near Agartala.

Dec 4,2009 : ULFA ‘chairman’ Arabinda Rajkhowa and ‘Deputy commander-in-chief’ Raju Baruah along with family members surrender to Indian authorities along Indo-Bangla border in Meghalaya.