On the 20th September 1965, as leader of a section of two Gnat aircraft, Flight Lieutenant Ajoy Kumar Majumdar was ordered to Ă˘â‚¬Ĺ“scrambleĂ˘â‚¬Âť along with two Hunter aircraft, for patrol duty over the Lahore sector. The section was surprised by four enemy Sabre jet aircraft. Acting with great presence of mind Flight Lieutenant Majumdar ordered the Hunters into a defensive turn and at the same time engaged the Sabres in an attempt to ward them off. In the ensuing battle he shot down one of the enemy aircraft.
In this combat, Flight Lieutenant Ajoy Kumar Majumdar displayed great skill and initiative in the best traditions of the Indian Air Force.