Chowdhury joined Pakistan Army in 1956 and was commissioned in 1959. He was posted in 29 Cavalry as a major during March 1971 and was sent to West Pakistan after the start of the
Bangladesh Liberation War. He joined the Bangladesh Army in 1973 after being repatriated from Pakistan, after the Independence of Bangladesh. He served as the GOC of
Comilla Cantonment and
Bogra Cantonment. He was also the
Quarter Master General of Bangladesh Army. He retired from Bangladesh Army in 1981 with the rank of Major General. After retiring from the army, he founded
PRAN-RFL Group. He was the founder president of
Real Estate and Housing Association of Bangladesh (REHAB) and Bangladesh Agro-Processors' Association. He also served as the former president of Underprivileged Children's Education Programme. ==Death==