[1] Islam was born in 1937 at Hogladangi village, in what is now Bhanga Upazila, Faridpur District, to Moulvi Abdus Sattar, a landlord.
He received his Intermediate of Arts diploma from Rajendra College, Faridpur, in 1955.
in 1960 from the University of Dhaka, where he was active in student politics.
[2] In 1961, Islam enrolled as an advocate at the Dacca High Court.
He was elected to the 4th National Assembly of Pakistan, representing the Faridpur-cum-Dacca constituency, in 1965 as an Awami League candidate.