The 3 Mahar battalion commanded by Lt.Col. Gurbans Singh Sangha was deployed in Jammu and Kashmir during the 1965 Indo-pak war in August, information that Pakistani infiltrators were sneaking into the state reached the unit .
The battalion commenced search operations in the Dewa and Chhamb-Jaurian sectors.setting up road blocks .The Pakistani attacked in force in mid August but Sangha and his men fought back spiritedly and not only drove back the enemy but also managed to recapture some Indian posts lost earlier
Stung by the defeat, the Pakistani launched a massive attack backed by artillery on 1st Septmber. The Indians had neither artillery nor air support but Lt.Col. Sangha marshaled his resources and fought back so well that the enemy could make no headway and eventually had to give up the attack.
Lt.Col.Sangha was decorated with Mahavir Chakra for his astute leadership.