During the conflict with Pakistan in December, 1971, Squadron Leader Ramesh Chander Sachdeva served with a FighterBomber Squadron. On 4th December 1971, he carried out attacks with determination and tenacity against very heavy ack-ack defended targets at Chittagong and later destroyed seven trains, carrying vital supplies to the Pakistani forward positions, at Laksham. He flew 15 operational sorties in 6 days of the operations and destroyed a number of ships, tanks, Gun positions, bunkers, trains and fuel tanks in the face of heavy ground fire. He landed back with serious bullet holes in the aircraft on two occasions. On 10th December 1971, while carrying out a sortie, his engine flamed out after an attack on an enemy boat and his aircraft crashed as a result of which he died.

Throughout, Squadron Leader Ramesh Chander Sachdeva displayed gallantry, leadership, determination and flying skill of a high order.