The chief of the outlawed Kuki Revolutionary Army (KRA) of Manipur died under mysterious circumstances at his brother's rented house on Monday morning.
Army sources informed that the banned ULFA used to procure sophisticated arms from an assembling unit at Chrachandpur district in Manipur run by Kuki Revolutionary Army.
The ethnic violence was spread across four remote villages in Assam's Karbi Anglong district.
Altogether 78 persons were killed and 191 kidnapped by different insurgent outfits in Assam during the last two years when 20 security personnel were also killed, Minister Rockybul Hussain said on Monday in the assembly.