Mir Nasir Khan was the son of
Mir Abdullah Khan, Khan of Kalat between 1716 and 1731, and his chief consort Bibi Maryam of the Iltazai tribe. Mir Abdullah had greatly expanded the borders of the Khanate, and conquered the region of Balochistan from
Bandar Abbas to
Karachi. His conflicts with the
Kalhoras of Sindh ultimately led to war with them and his subsequent death in the
Battle of Kachhi in 1731. During
Nader Shah's invasion of India, Nasir Khan's brother, Mir Mohabbat Khan, was the Khan of Kalat.
Nader Shah confirmed him in his position. In the following events, Mir Nasir Khan was sent as hostage of
Afsharids to
Isfahan where he remained till 1748. He was the sixth ruler of kalat was one of the most prominent and influential rulers of the Khanate of Kalat. He played a crucial role in consolidating
Baloch power, unifying the
Baloch tribes, and shaping the political and administrative structure of the Khanate. The border of Balochestan in the reign of Nasir khan stretched from across modern-day Pakistan, Iran, and Afghanistan. Northern Border in areas such as
Helmand and parts of
Kandahar (
Balochistan, Afghanistan). In the East stretched as far as Punjab including
Dera Ghazi Khan, in the south
Makran coast along the
Arabian Sea from to , in tBandar Abbashewestern inced Persian Balochistan (modern-day Sistan and Baluchestan Province in Iran),
Kerman and Bandar abbas. ==Reign==