Manipur continues to be the hot bed of insurgency followed by Assam as 150 violent incidents have been reported in the two states in last three months, claiming 100 lives.
Those killed included 77 extremists, 20 civilians and three security force personnel, according to home ministry.
Altogether, 105 people were killed in six Northeastern states -- Assam, Manipur, Nagaland, Meghalaya, Tripura and Arunachal Pradesh -- till last month in 174 incidents. Mizoram had no major insurgency and was comparatively a peaceful state.
In 2009, 435 people, including 81 civilians and 336 militants, were killed in 659 incidents in Manipur while 368 people, including 152 civilians, were killed in 424 incidents in Assam.
517 people, including 364 extremists, were killed in 2008 in Manipur while 373 people, which include 245 civilians, lost their lives in Assam in the same year.
"Though there is a declining trend in the incidents of violence, both Manipur and Assam continue to be the most troubled states in the Northeast," a home ministry official said.
Overall, there were 1297 incidents of violence that claimed 877 lives, including 571 militants and 264 civilians, in 2009 in the entire Northeast.
There were 1,561 incidents in the region in 2008 in which 1,152 people, including 466 civilians, lost their lives.
Nagaland, home to major insurgent groups like NSCN (IM) and NSCN (K), has become relatively peaceful, thanks to the peace pacts signed by the two groups with the government.
Though there were 12 incidents of violence in the first three months of 2010 in Nagaland, there was no report of any casualty while in 2009 only 31 people lost their lives.
However, in 2008, the state saw 321 incidents in which 213 people, including 140 extremists and 70 civilians, were killed.
In Meghalaya, four people were killed this year in five different incidents while one person was killed in Arunachal Pradesh. Though, there were nine incidents in Tripura in 2010, no report of any casualty has come from the state.
In 2009, 22 people lost their lives in Arunachal Pradesh, nine in Meghalaya and 10 in Tripura.
