SDPO Y Jagannath Rao said a group of BSF jawans was walking down the forest in Laxmipur area after conducting combing operation nearby when one of them apparently stepped on the landmine which went off.
BSF jawan J Kundu died on the spot, while his colleague Dhiren Sahu sustained injuries in the explosion.
The two were members of a unit of the BSF stationed at Palur in Koraput, Rao said.