From the archive record
Golkonda, also known as Golconda or Golla konda ("shepherd's hill"), a ruined fort of Southern India and capital of medieval Golconda Sultanate (c.1518–1687), is situated 11 km west of Hyderabad. It is also a mandal of Hyderabad District. The region is universally famous for the mines that have produced the world's most famous and coveted gems, including the Hope Diamond, The Eye of the Idol (aka the Nassak Diamond), the Koh-i-Noor and the Darya-i-Noor. The Golkonda fort was first built by Kakatiya as part of their western defenses. It was built in 945 CE-970 CE on the lines of the Kondapalli fort. The city and fortress are built on a granite hill that is 120 meters (400 ft) high and is surrounded by massive crenelated ramparts. The fort was rebuilt and strengthened by Pratapa Rudra of Kak