Faezul Huq served as a member of parliament on three occasions, and held various ministerial portfolios including Public Works, Urban Development, Jute, and Textiles after Bangladesh gained independence.

In August 1969, Faezul Huq was invited to join the Department of Political Science at the Notre Dame College, Dhaka as a lecturer.

In the later years, Faezul Huq tried but ultimately failed to clear his name from the allegations against him: that he had purportedly made pro-West Pakistani statements during the ongoing Liberation War at the time.

It is noteworthy to mention here that during the Liberation War, Faezul Huq was the only Bangladeshi to be accused and arrested by the Pakistani army for assisting the Mukti Bahini on suspicions of providing the latter shelter at his 27, K. M. Das Lane, Tikatuli residence during the war, and post Liberation War, also arrested by the Mukti Bahini on suspicions of siding with West Pakistan due to the pro-West Pakistan libelous statement Faezul Huq was falsely framed with by the Pakistani army.

He was appointed a Minister of State in charge of public works in early 1982, and remained in office until the 1982 Bangladeshi coup d'état in March.

[citation needed] He stood for re-election in the 2001 Bangladeshi general election, losing to the Bangladesh Nationalist Party candidate.

[needs update][5] In his final years, Faezul Huq appeared on numerous current affairs television programs.

[citation needed] Faezul Huq also worked as a freelance journalist, writing for newspapers and periodicals including New Age, Holiday, Dhaka Courier, Financial Express, Prothom Alo.

The certified divorce document from 1976 and the subsequent Affidavit signed by A. K. Faezul Huq, although not timely traced and produced before the Appellate Division judgment, confirms the legal conclusion of the first marriage and emphasizes that Marium Begum and her children are not recognized as part of his family legacy.