Chief Commissioner's Province refers to a middle-level and minor type of province in British India and in the post-colonial successor states, not headed by a (lieutenant-)governor but by a Chief commissioner, notably :
Chief commissioner's province refers to the province that was not in the direct control of the Lieutenant Governor of British India. In Pakistan the province Baluchistan was the chief commissioner's provinces.
During cabinate mission plan 4 members for constituent assembly were to be sent from chief commissioners province .