He established the first blood transfusion center at the Institute of Post Graduate Medicine and Research (now Bangabandhu Sheikh Mujib Medical University).
[3] After passing the matriculation examination from Sylhet Zilla School, Rahman went to Berry-White School of Medicine in Guwahati (later renamed to Gauhati Medical College and Hospital) in Assam to study medicine for four years.
[4] He returned to East Pakistan in 1952 and worked for three years at Sir Salimullah Medical College.
In 1964, he graduated from University of Glasgow and obtained the first Ph.D. in hematology and blood transfusion from South and Southeast Asia.
[4] After returning from Glasgow, Rahman served as the blood transfusion officer at Dhaka Medical College and Hospital.