Squadron Leader Bhupendra Kumar Bishnoi arrived at Halwara on 7th September, 1965, for taking part in air operations against Pakistan. Within a period of 15 days, he carried out 16 operational missions of which seven were in close support of the army in the Kasur/Lahore sector.

When the enemy ran short o ammunition in the Kasur region Squadron Leader Bishnoi with a formation of four aircraft destroyed a train carrying ammunition at Raiwind Railway Station. The denial of this vital supply was a major factor in causing the enemy to withdraw its armour from this sector with heavy losses.

In this other offensive sorties he destroyed or damaged at least ten enemy tanks, armoured vehicles and gun emplacements. Although his aircraft was hit on three different occasions by the enemy ground fire, he pressed home his attacks every time.

Throughout these operations, Squadron Leader Bhupendra Kumar Bishnoi displayed courage and leadership in the highest traditions of the Air Force.

During the India-Pakistan conflict in December 1971, Wing Commander Bhupendra Kumar Bishnoi was in command of an operational Fighter Squadron in the Eastern Sector. He led the first two Bombing mission over Tezgaon airfield and undeterred by heavy ground fire, he hit Tazgaon runway and also destroyed a large transport aircraft on the ground. During one of these Bombing missions, his aircraft was hit by a heavy shell and sustained severe damage. Notwithstanding this, he pressed home the attack. On the 14th December, 1971, he raided military targets in Dacca inspite of intense ground fire. His attacks on the Government House at Dacca and other targets were carried out with accuracy. During the missions in support of Indian army, he led 10 sorties against heavily defended enemy positions in the Comilla Sector and destroyed enemy Bunkers and strongholds.

Throughout the operations, Wing Commander Bhupendra Kumar Bishnoi displayed gallantry, professional skill and leadership of a high order.