On 17 March 1982, Chowdhury became an assistant judge in the judicial service of the
Bangladesh Civil Service. Chowdhury and Justice
Syed AB Mahmudul Huq summoned Rafique following a contempt of court petition against him following the outburst. Chowdhuy and Justice
Syed Refaat Ahmed heard a petition challenging the
Chittagong Hill Tracts Peace Accord filed by a Bengali settler in the
Chittagong Hill Tracts and
Bangladesh Jammat e Islami lawyer. Chowdhury and Syed AB Mahmudul Huq granted bail 199 students of
University of Rajshahi and activists of
Bangladesh Islami Chhatra Shibir in a case over assaulting a
Bangladesh Chhatra League leader. They granted bail to 24 Bangladesh Chhatra League activist in a case over the murder of a leader of Bangladesh Islami Chhatra Shibir. In May 2012, Chowdhury granted anticipatory bail to 30 Bangladesh Nationalist Party politicians including
Mirza Fakhrul Islam Alamgir. Chowdhury and Justice Md Ashraful Kamal scrapped a provision of the Anti Corruption Commission act which curtailed the independence of the commissioners in 2015. He and Justice
Md Ashraful Kamal issued a split verdict challenging the parliamentary membership of
Mofazzal Hossain Chowdhury Maya who had been convicted in a corruption case. He asked Maya for an explanation while Kamal rejected the petition. In March the court declared the collection legal and dismissed the petition. In October 2018, Chowdhury gave a split verdict with Justice Ashraful Kamal on a petition challenging the "fictitious" case filed by the government of Bangladesh against politicians of the opposition
Bangladesh Nationalist Party. Chowdhury sought an explanation from the government why it should not be declared illegal while Kamal said the cases could not be called fictitious and should be properly investigated. Chowdhury and Justice
J. B. M. Hassan stopped the recruitment exam of four state owned banks. Chowdhury and Justice Md Ashraful Kamal asked the government to take against members of Bangladesh Police for trading
Ya ba in
Cox's Bazar District. Chowdhury and Justice Md Ashraful Kamal asked the government to collect taxes from Facebook and Google. Chowdhury and Justice Md Ashraful Kamal in a verdict recognized
Turag river as a living entity and ordered the eviction of encroachers. The verdict scrapped a lease by A. K. Azad of
Ha-Meem Group on the banks of the river by Gazipur administration and noted river encroachers cannot contest elections. Chowdhury and Justice Khandaker Diliruzzaman asked the government not to harass Nobel Prize winner
Muhammad Yunus. On 8 January 2020, Chowdhury retired from the High Court Division. Chowdhury was appointed chairman of
Destiny Group on 1 September 2022 on an order of Justice Muhammad Khurshid Alam Sarkar of the High Court Division. == Bibliography ==