Maulvi Abul Kasem Fazl-ul-Haq was born on October 27, 1873 in Barisal District. He studied at Calcutta University and started
his career as a Professor; but in 1906 joined Government Service as Deputy Magistrate. In 1911 he resigned from his job and rejoined
the Bar. He was elected unopposed Member of the Bengal Legislative Council in 1913. In 1914, he presided over the Bengal Presidency
Muslim League. From 1913 to 1916 he served in Bengal Provincial Muslim League as its Secretary and from 1916-21 he was the President
of All-India Muslim League. He also presided over the All-India Muslim League Delhi Session in 1918. He was one of the signatories to
the I-Lucknow Pact.
In 1935. he became the Mayor of Calcutta. From 1935 to 1937 he was a Member of Indian Legislative Assembly. In 1937, he left the
Muslim League and founded his own political party 'Krishak Praja Party' (Peasant Tenant Party). In the elections held in the same
year, he won 35 seats in a house of 250. In April 1937 he became Chief Minister of Bengal.
When Quaid-e-Azam reorganised the Muslim League, Fazl-ul-Haq rejoined the fold and presented the 'Pakistan Resolution' in the
historic Lahore Session of the Muslim League in 1940.
In 1943, he resigned from the Chief Ministership of Bengal and became Leader of the Opposition.
After Independence, he became the Advocate General of the Government of Pakistan. In 1953, he resigned from this post and also
from the Muslim League. He formed 'Krishak Sramik Party' (Peasants Workers Party), which was one of the constituent parties of the
'United Front'. On April 2, 1954, he became the Chief Minister of East Pakistan as the Leader of 'United Front Party'. In 1955, he
became Interior Minister of Pakistan and took active and leading part in framing the First Constitution of Pakistan. In 1956, he was
appointed the Governor of East Pakistan for one term.
He died in Dhaka on Apri1 27, 1962 after prolonged illness.