Kokrajhar, Jan 11 (ANI): Self-styled platoon commander of tribal militant group National Democratic Front of Bodoland (Sonobijit) was killed in an encounter with joint team of police and armed border force in Assam. Identified as Jwblang, he was involved in the December 23 attack on Pakhriguri village in Assam in which five tribal people were also killed. Last month over 80 people were killed in militant attacks in different districts of the northeastern state. Police believe that a faction of the National Democratic Front of Bodoland (NDFB), was behind coordinated attacks on tea plantation workers and their families. A joint operation was launched by police and armed border force, Sashastra Seema Bal (SSB), near Khawsibazar area under Serfanguri police station in which the militant was killed.