He is also former PS-1 to Sheikh Hasina, both when she was the leader of the opposition in parliament and in the Prime Minister's Office.
[3] During his tenure he introduced online college admission; redesigned education institution infrastracture well adapted in rainy environments and aerial aesthetics; elected student cabinet in secondary educational institutions.
[7] Khan was appointed the chairman of International Leasing and Financial Services Limited by Company Bench of High Court.
[8] In January 2021, another bench of the High Court Division issued an order banning his travel abroad following a petition filled by individuals who accused him of being involved with Prashanta Kumar Halder.
[8] The pettitioners had been defrauded by People's Leasing and Financial Services and Prashanta Kumar Halder.