[1][2] He was the head of the Mass Rapid Transit (MRT) Police formed to guard the Dhaka Metro Rail.

[5] He was detained over the death of a student in protests against former Prime Minister Sheikh Hasina.

[7] On 23 June 2024, he was appointed Commissioner of Chittagong Metropolitan Police and joined the unit on 4 July.

[18] This was part of a change in all senior level positions in Bangladesh Police following the fall of the Awami League government.

Islam was charged with the death of a protestor against Hasina, Chittagong University student Hridoy Chandra Tarua, on 18 August.