Four terrorists and a Para commando were killed on Tuesday in an encounter with security forces in Nadigam area of South Kashmir`s Shopian district. A Senior Police official has confirmed the report. The officer further said that the identity of the slain militants is yet to be ascertained. A cordon and search operation was launched by security forces this morning in the area after intelligence input about the presence of militants in the area, a police official said. The Valley has been witnessing a spurt in terror activities for the past few months. On November 18, two terrorists associated with terror outfit Al-Badr were killed in an encounter in Rebban area of Shopian district. On the same day, a Central Reserve Police Force (CRPF) jawan lost his life after terrorists opened fire on a CRPF camp at Railway Colony in Pulwama`s Kakapora area.