Subahdar was one of the designations of a governor of a Subah (province) during the Khalji dynasty of Bengal, Mamluk dynasty, Khalji dynasty, Tughlaq dynasty, the Mughal era and the Maratha era who was alternately designated as "Sahib-i-Subah" or Nazim. The word, Subahdar is of Persian origin. The Subahdar was the head of the Mughal provincial administration. He was assisted by the provincial Diwan, Bakhshi, Faujdar, Kotwal, Qazi, Sadr, Waqa-i-Navis, Qanungo and Patwari. The Subahdars were normally appointed from among the Mughal princes or the officers holding the highest mansabs (ranks).
References
↑George Clifford Whitworth. Subah.An Anglo-Indian Dictionary: A Glossary of Indian Terms Used in English, and of Such English Or Other Non-Indian Terms as Have Obtained Special Meanings in India. London: Kegan Paul, Trench & Co. 1885. p. 301.