Muhammed Hashim Gazdar was among the people who represented Sindh in the first session of Pakistan's initiating Constituent Assembly that was convened four days prior to the emergence of Pakistan, i.e. 10 August 1947 at Sindh Assembly Building, Karachi. Other members to represent Sindh were Muhammed Ayub Khoro, J. Ram Das Doulat Ram, and Pirzada Abdul Sattar Abdul Rehman.