Air Commodore Kanvar Singh was commissioned in the Flying Branch of the Indian Air Force on the 20th December, 1943. He has served in five fighter and fighter bomber squadrons of the Indian Air Force, of which he has been the commander of two. He is also a qualified flying instructor and has carried out a tenure of duty in this role at an Air Force Flying Training Institution. Air Commodore Kanvar Singh has also commanded an operational wing of the Air Force and has served on the staff of Air Headquarters in various capacities. At present Air Commodore Kanvar Singh is the Air Officer Commanding of an Air Wing in the Rajasthan sector. He was incharge of all Air Force operations in this during the recent operations against Pakistan. He provided all the air support required by the Army. In addition to his own base, he exercised administrative and functional control over two forward bases. By hard work and sound planning, he brought these forward bases to a high degree of operational preparedness.

Throughout the operations, Air Commodore Kanvar Singh successfully completed all the tasks allotted to him and rendered distinguished service of an exceptional order.