The correct option is A Mahmud Gawan
Mahmud Gawan was a scholar and also a great administrator. The Sultanate reached the peak during Gawan's ministry. Gawan improved the administration, organized finances, encouraged public education and reformed revenue system. The death of Mahmud Gawan in 1481 marked the decline of the Bahamani kingdom. Muhammad Shah was followed by his son Mahmud Shah II and during his reign, five governors declared their independence.