The first Independent Islamic Kingdom in South India was the Bahmani Sultanate or the Bahmani Kingdom. One of the great medieval Indian kingdoms, the Bahmani Sultanate was founded as a revolt against Muhammad bin Tughlaq of the Delhi Sultanate by Zafar Khan, of Turkish origin, who took the title of Ala-ud-din Hassan Bahman Shah. Establishing a strong rule with nearly 18 kings for about 200 years, the Southern King Krishnadeva Raya defeated the last ruler of Bahmani Empire after which it got disintegrated into 5 states around 1518 AD, collectively known as Deccan Sultanates and individually as: Nizamshahi of Ahmadnagar, Qutubshahi of Golconda (Hyderabad), Baridshahis of Bidar, Imadshahi of Berar, Adilshahi of Bijapur.