[2][3] He did his bachelor's degree and masters in Social Sciences from the University of Dhaka in 1984 and 1985 respectively.
[3][2] Islam joined the Bangladesh Civil Service in the 8th batch as an Audit and Accounts cadre on 20 December 1989.
[3][6] Islam established One-Stop Service Cells throughout Bangladesh for pensioners.
[3] On 26 July 2023, Islam was appointed the Comptroller and Auditor General of Bangladesh.
[5] He paid tribute at the shrine of former President Sheikh Mujibur Rahman in Tungipara after his appointment.