The correct answer is A, B and C. Golconda: Golconda, historic fortress and ruined city lying 5 miles (8 km) west of Hyderabad in western Telangana state, southern India. From 1518 to 1591 it was the capital of the Quṭb Shahi kingdom (1518–1687), one of five Muslim sultanates of the Deccan. The area of Golconda lay between the Godavari and Krishna rivers and extended to the Bay of Bengal coast. In 1687 the ruling dynasty of Quṭb Shah was overthrown by the Mughal emperor Aurangzeb, and Golconda was annexed to the Mughal Empire. Bijapur: The rulers of Bahmani sultanate of Gulbarga captured Bijapur in 1347AD and the city was renamed as Bijapur. Earlier it was known as Vijay Pura. Yusuf Adil Shah was the son of the Sultan of Turkey and was purchased by Mahmud Gavan. Yusuf showed valour and loyalty to protect the sultanate and so he was given the governorship of Bijapur. Yusuf built Arkilla fort or Bijapur Fort and Faroukh Mahal whose planners were brought from Persia, Turkey, and Rome. Ahmednagar: The city was known as Bhinar in early Yadava times. Ahmednagar is named after Malik Ahmad Nizam Shah I. It was conquered by Malik Ahmad Nizam Shah, founder of the Nizam Shahi dynasty, in 1490.