as a minister, ghulam hussain hidayatullah was associated with the famous 'sukkur barrage project' which contributed so much to the prosperity of sindh in later years. ghulam hussain hidayatullah, along with khan bahadur muhammad ayub khuhro, syed miran shah and sir shah nawaz bhutto, represented sindh in the round table conferences in london. they convinced the chairman of the 'committee on sindh' that sindh was not to be a deficit province and had sufficient revenue and administrative capability to be a full fledged province. sindh was separated from bombay and its first assembly came into being in 1937.