Chowdhury joined the Calcutta High Court Bar in 1947, and after the partition of India, he came over to Dhaka and joined the Dhaka High Court Bar in 1948.
President of Bangladesh After liberation, Chowdhury returned to Dhaka and was elected as president of Bangladesh on 12 January 1972. On 10 April 1973, he was again elected as president of Bangladesh. In December of the same year he resigned and became special envoy for external relations with the rank of a minister. On 8 August 1975, he was included in the cabinet of
Sheikh Mujibur Rahman as minister of ports and shipping. After Rahman was
assassinated, he became the minister for foreign affairs in the cabinet of President
Khondaker Mostaq Ahmad in August 1975, a position which he held till 7 November the same year.
UN Committee In 1978, Chowdhury was elected a member of the United Nations Sub-committee on Prevention of Discrimination and Protection of Minorities. In 1985, he was elected chairman of the UN Human Rights Commission. He was honoured with the insignia of
Deshikottam by
Visva-Bharati University. Calcutta University awarded him the honorary degree of Doctor of Law. == Death and legacy ==