[1] After completing his education, Fazlur Rahman initially started in the law sector but participated in social work and politics.
[citation needed] After the independence of Pakistan in 1947, he became a member of the country's first National Assembly and served in Liaquat Ali Khan's central cabinet in the Ministry of Interior, Information & Broadcasting, Education, Rehabilitation, Industries, Commerce and Works.
[1] Fazlur Rahman represented the Dhaka University constituency at the 1954 East Bengal Legislative Assembly election as a Muslim League candidate.
Ayub Khan enforced the Elected Bodies Disqualification Order upon many politicians including Fazlur Rahman.
Prior to independence, he was a member of the University of Calcutta's executive council and the Royal Asiatic Society of Bengal.