Major Amit Deswal of 21 Para was on Wednesday killed in an encounter with ZUF militants in Manipur’s Tamenglong district.
Army officials said one militant was also killed in the encounter which occurred during a combing operation undertaken by Rashtriya Rifles and Special Forces personnel.
While the militant was killed in an earlier encounter, the Major, hailing from Jhajjar district in Haryana, lost his life during an exchange later in the same area.
He succumbed after being evacuated from the encounter site.
The combing operations are continuing, army officials said.