A TSR jawan, identified as Binoy Debbarma, following an altercation with his colleagues at the Tankharai camp opened fire killing two of his colleagues and severely injuring two others. The incident occurred at about 4.30 pm.
The deceased jawans were identified as Wasak Mia and Utpal Datta.
The injured jawans were rushed to the Chhamanu hospital while the killer jawan is absconding.
Police said senior officials from Dhalai district have rushed to the spot.