Golconda Fort Wikipedia
Golconda Fort, also known as Golkonda (Telugu. "shepherds'' hill") is a fortified citadel and an early capital city of the Qutb Shi dynasty (–1687), located in Hyderabad, Telangana, of the vicinity of diamond mines, especially Kollur Mine, Golconda flourished as a trade centre of large diamonds, known as the Golconda Diamonds. ...