The arrested cadre Hira Pangi is a resident of Palankarai village on the upper side of Balimela reservoir.
He was arrested after a joint raid by the jawans of BSF and the state's SOG (special operation group) at Pangi's house.
"The jawans seized two tiffin bombs, one pipe bomb, five electronic detonators, four gas cylinders, 12 sets of bows and arrows, explosive materials and some fuse wire used to blast the landmines," Superintendent of Police Akilesh Singh said.