Mortuza passed the
BCS(Judicial Cadre) in 1982 and joined the service as an Assistant Judge on 20 April 1983. He retired as a District and Sessions Judge on 14 January 2019. On 8 October 2024, Mortuza was appointed as an additional judge in the
High Court Division of the
Bangladesh Supreme Court. Later on 14 October, he was appointed as the Chairman of the
International Crimes Tribunal. == References ==