Hasan was born in Amritsar Punjab Province in British India and earned a BA at Punjab University.

He then moved to the United Kingdom and read law at Gray's Inn and studied for an LLB at the University of London.

[1] After a spell of travelling, Hasan returned to India and worked at the Punjab High Court, as well as lecturing at the University Law College where he became its Vice Principal.

He then returned to India, before moving back to Fiji in 1934, where he earned a reputation as one of the best lawyers in the country.

[2] He also became President of the Fiji Muslim League.