After the independence of Bangladesh, Rehman's family retained Pakistan's citizenship and his son served as the Chief Justice of Islamabad High Court."[4] His findings, which exposed the Bangladesh genocide and recommended charges for senior Pakistani officials, were never made public as the report was muzzled by the Bhutto administration under the guise of harming civil-military relations.[6] His father, Khan Bahadur Dr. Dawood ur Rahman was the first Muslim civil surgeon in undivided India to do FRCS form Royal College London.In 2007, his son refused to take an oath under the Provisional Constitutional Order issued by President Pervez Musharraf who imposed the Emergency in November 2007.[6] During his career as Senior Justice at the Supreme Court, Rehman held various dignified positions and engaged himself in promoting literacy across the country.[6] In 1964, Rehman, upon requested by the Ministry of Education (MoEd), led the "Commission on Students Problems and Welfare" as its chairman where he authored the report and submitted the case study recommendations to the Government of Pakistan in 1966."[14] Upon hearing the case, Hamoodur Rahman court retroactively invalidated the martial law that suspended the Constitution and notably ruled that Yahya Khan's assumption of power was "illegal usurpation".[6] In 1971, President Zulfikar Bhutto constituted a commission to investigate the responsibility causes of the war with India that led the liberation of East Pakistan and to provide insightful recommendations to prevent future armed foreign intervention.[17] From 1971 until 1975, the Commission led by Rahman conducted several interviews of Pakistan military's senior officers, bureaucrats, politicians, activists, and the Bengali nationalists.In the 1990s, it was revealed through investigative journalism by News International that the report was suppressed and was held secretly at the Joint staff HQ in Rawalpindi.He also conducted a commission on election reforms and proposed the proportional representation system existing in Germany, Sri Lanka and many other countries.