Based on specific intelligence, personnel of the Assam police and Army launched an operation in Oxiguri village in Chirang district early today, Inspector General of Police, BTAD, L R Bishnoi said.
"Two hardcore NDFB(S) militants were killed in the encounter," he said.
The militants were identified as Gwndai and Junthi, both 'platoon commanders' of the NDFB(S).
"They were responsible for the massacre of Adivasis on December 23, 2014.
"They had also brutally killed a Class 10 student Priya Basumatary, whom they suspected of being a police informer," Bishnoi said.