In February 2008, Miah was publicly accused by Misbaur Rahman Chowdhury, a leader of the Islami Oikya Jote, of involvement in war crimes during the Bangladesh Liberation War and serving in the Al Badr, a paramilitary force of the Pakistan Army.[2] He denied the allegations, stating that he had been a school student in 1971 and said those making the claims should be punished if they could not prove them.[2] He was the Secretary of the Ministry of Food and Disaster Management.[2]
Miah retired as a senior secretary in the Government of Bangladesh.[1]
In November 2025, Miah was appointed chairman of Sammilito Islami Bank PLC following approval from Bangladesh Bank.[1] Sammilito Islami Bank PLC was formed through the merger of five banks: First Security Islami Bank, Global Islami Bank, Social Islami Bank, Exim Bank, and Union Bank.[1] He resigned on 16 March 2026, citing personal reasons.[3]
After the fall of the Sheikh Hasina-led Awami League government, he was appointed a member of the Consensus Commission.[4] The chairman of the Commission was Muhammad Yunus and the vice-chairman was Ali Riaz.[4] He had also served in the Public Administration Reform Commission.[5]