Khan was born on 28 Poush 1304 BS (12 January 1898 CE) to an royal Bengali Shi’ite family known as the Nawabs of Longla based in the village of Prithimpassa in South Sylhet (then under the North-East Frontier province of the British Raj).
[1] His mother was Syeda Fatima Banu, daughter of Syed Aminuddin Hasan of Narapati West Haveli, Chunarughat, Habiganj.
[citation needed] Khan married in 1924 to Jamal Ara Begum, daughter of Nawab Wasif Ali Mirza of Murshidabad.
[2][3] He was also a member of the Assam Legislative Council from 1937 to 1946 as an All-India Muslim League politician.
He had a son named Ali Yeawar Khan, who was a member of the Pakistan parliamentary assembly and the first chairman of Prithimpassa Union.