Haque married Salma Khatoon on 16 May 1965. She died on 9 July 2012. He had two sons and three daughters.
Political career
Haque won from the Kishanganj seat in the 2009 Indian general election by contesting on an Indian National Congress ticket. In the 2014 general election, he contested against Bharatiya Janata Party candidate Dilip Jaiswal. He retained his seat in the election, polling the highest number of votes in the state. Haque's tenure as a Member of Parliament saw the establishment of a centre for Aligarh Muslim University in Kishanganj. However, as of May 2014, only the Bachelor of Education course was being offered. Two Circles wrote that the condition of government colleges was "disappointing" and blamed Haque for not taking steps for their improvement. Haque was also a member of All India Muslim Personal Law Board and the president of All India Milli Council. Maulana set up 163 primary educational institutions and also established Milli girls schools in Kishanganj, Bihar. He also distributed relief materials among the victims of Tsunami and floods in Bihar. He was the secretary of Jamiat Ulema-e-Hind, Member of All India Muslim Personal Law Board, Vice-President of All India Milli Council, President of All India Talimi wa Milli Foundation. He was also the state president of Jamiat Ulema-e-Hind.He was also general secretary for jamiat ulma hind
Haque felt that Indians will "strongly resist" any attempt of the government to drop the Article 370 which bestows a special status on the state of Jammu and Kashmir. Citing the fact that the Bharatiya Janata Party had secured 31% of the votes in the 2014 general election, Haque claimed the party had no right to modify the constitution. About BJP, Haque has written that if even though the party had promised to create more employment after coming to power, it had failed to do so. He also criticised the central government for attempting to create a cashless economy.
Islamic terrorism
Haque said that in the 21st century, there is an "international Zionist conspiracy" which asserts that Islam promotes terrorism. He also criticised Boko Haram and said the organisation was a part of the conspiracy.