Makran and Kharan regions were formally merged into Balochistan province in:

The regions of Makran and Kharan were formally merged into the Balochistan province in 1952. Prior to this, these areas existed as princely states or agencies within the broader administrative framework of British India and later Pakistan. The merger was part of the administrative reorganization and integration of various territories into the newly formed provinces of Pakistan. The years 1947 (Pakistan's independence), 1948, and 1957 represent other significant historical periods but not the specific year of this particular administrative consolidation.