In 1949 he entered the British Long Gunnery Staff Course at the School of Anti-aircraft Artillery in Manorbier, Pembrokeshire, Wales. A graduate of the Defence Services Staff College in Wellington, his service continued in the Sino-Indian War of 1962 and the Indo-Pakistan War of 1965. In between the wars, Brigadier Panwar created the Air Defence Brigade for New Delhi in 1964.
Brigadier Panwar's military career involved training at a British school, serving during two significant conflicts, and establishing an air defense unit in India.