He was elder son of Faiz Beg Najm-i-Sani, and grandson of Nawab Mirza Muhammad Bakir Khan Najm-i-Sani, sometime Subadar of Multan, Oudh, Orissa, Gujarat and Delhi.
He was appointed to Subadar of Multan (1642), of Balkh (16 February 1646 to 9 August 1646), of Kashmir (20 August 1647 to July 1648), of Deccan (25 July 1648 to 14 September 1649), and Kabul (23 January 1650 to 1654), of Gujarat (March 1654), and Malwa.
At about 1400 hours, while advancing through a ravine above the Pattani River and still a mile short of the Ledge at Km 37, Krohcol's advance A (P.M.)Company (Subadar Sher Khan) came under fire again, this time from the Japanese 5th Division.