In 1943 he joined the
British Indian Army. After finishing his training, he was commissioned as Second Lieutenant in 1944 with
Royal Indian Army Service Corps as his parent unit. He fought in the Burma front in the World War II. In 1947 he joined the Pakistan Army after the partition of India. He served as Adjutant of a supply and transport battalion at
Quetta and also as supply master in
Karachi. He later served as a staff Major of
Eastern Command station headquarters at
Dacca and was eventually raised to the rank of Lieutenant Colonel. When he was serving as an embarkation station commander in
Chittagong Cantonment, he retired on 24 August 1970.
Liberation war of Bangladesh After the crackdown of Pakistan Army he grew up a force with Major
Chitta Ranjan Dutta in Sylhet to defend the Pakistan Army. After the fall of Sylhet he went to India like others. On 11 July 1971 he was appointed as the Chief of Staff of
Mukti Bahini and Group Captain
A. K. Khandker was appointed as the Deputy Chief of Staff. He established his Headquarter at
Agartala,
Tripura,
India. He was appointed as the Chairman of Eastern Regional Council. On 16 December 1971 while visiting Sylhet with then Colonel
M A G Osmani their helicopter was attacked by Pakistan Army and he was injured. He was promoted to the rank of Major General in 1972. He retired from Army in April 1972. ==Political career==