Explanation: The Raja Krishna Dev of the Kakatiya dynasty with Warangal as capital constructed the Golkonda Fort (Hyderabad) on a granite hill.

• During 1495–1496 the fort was handed over to Sultan Kali Kutub Khan as a Jagir (land grant).
• He reconstructed and rechristened the mud fort into a granite fort and called the place Muhammed Nagar.
• Later, the Golkonda fort came into the possession of the Bahmani dynasty. Still later, the Qutub Shahi dynasty took over and made Golkonda its capital.
• Golkonda fort owes much of its present grandeur to Mohammad Quli Qutub Shah, the fifth sultan of Qutb Shahi dynasty.

Source: Tamil Nadu NCERT