He led the campaign against Fazlul Huq causing the collapse of Huq-Mukherjee ministry of 1941-1943, He He was the architect of Muslim League's victory in the election 0f 1946 and secured114 seats out of 121 reserved seats ffor which he was inducted as a All india Leader.
Sarat Chandra Bose
On the eve of the 1947 partition, Surawardy attempted to form a Pact with Sarat Chandra Bose, Kiran Shankar Ray and Satya ranjan Baksi for United Independent Bengal comprising of Bihar, whole of Bengal and Assam as a third dominion alongside India and Pkistan . Abul Hashim the the secretary of Bengal Muslim League also extended his ful support to the project. But that was not successful due to the disagreement of the then Congress leader including M.K.Gandhi.