He enlisted in the Indian Air Force. Rajeshwar Prasad, was commissioned in the General Duties (Pilot) branch of the Indian Air Force as a
pilot officer on 29 October 1966. He was promoted to
flying officer on 29 October 1967 and to
flight lieutenant on 29 October 1971. He fought in the
Indo-Pakistan War of 1971 as a bomber pilot, flying a modified
de Havilland Canada DHC-4 Caribou. He was promoted to
squadron leader on 29 October 1977. On 8 August 1978, he was seconded to the Ministry of Agriculture. Local residents claimed that Prasad was one of the pilots, along with
Suresh Kalmadi, who bombed Mizo insurgents in March 1966 during the
Mizo National Front uprising. This issue was mentioned by Prime Minister
Narendra Modi in the Parliament in Lok Sabha in August 2023.
Sachin Pilot, son of Rajesh Pilot denied his father's involvement. In late 1979, Prasad resigned his commission while posted in
Jaisalmer to enter politics, under the influence of his friend
Rajiv Gandhi, who later became the
Prime Minister of India. == In politics ==