"An infiltration bid was foiled in Tangdhar sector last night. One terrorist was killed while another managed to flee back across the LoC in an injured condition," Defence spokesman Lt Colonel J S Brar said.
He said a soldier was also killed in the gunbattle with the infiltrators.
Lt Col Brar said this was the second infiltration bid in Kashmir Valley in last three days.
Army on Sunday foiled a bid by militants to sneak into the Valley from Uri sector of Baramulla district but there were no reports of any casualty in the operation.