Indian army troops Monday gunned down six separatist guerillas during a cordon and search operation at Doraswani village, 110 km from here, in north Kashmir's Kupwara district. Troops of 18 Rashtriya Rifles (RR), on specific information, surrounded Doraswani village early Monday and mounted house-to-house searches, a senior police official said."During the searches, militants hiding in the village hurled hand grenades and fired from their automatics on the search parties. Troops took positions and returned the fire," the official told IANS. "In the gun battle that continued for several hours troops gunned down six militants and recovered a large quantity of arms and ammunition."