From 1965 to 1971, Chowdhury practiced at the Dhaka High court. In 1 April 1971 he was made of Judge of
Dhaka High Court. After the independence of Bangladesh, Chowdhury was made a judge of
Bangladesh High court in January 1972. He was made a judge in the Appellate Division in 1978. His verdict on the 8th Amendment case was a landmark moment of Bangladesh's legal history. From 1 December 1989 to 1 January 1990, he was the chief justice of Bangladesh. ==Personal life==