On 10 September 1965, during the assault on Burki village in Pakistan, Naib Subedar (then Havildar) Ajmer Singh found his platoon pinned down by the rapid medium machine gun fire of the enemy With great presence of mind, he crawled towards the enemy bunker and although hit by a burst he continued to advance. Inspired by his personal example his platoon rushed forward and destroyed the enemy position completely.
The leadership and courage displayed by Naib Subedar Ajmer Singh in this action were in the best traditions of the Indian Army.