A 10th century fort at Nizamabad , Quilla Ramalayam was built by the
. It was formerly known as Indoor or Indrapuri. In 1311, Quilla Ramalayam was occupied by Allauddin Khilji and later it was captured by the Bahamanis, the
The existing fort has a large area surrounded by masonry walls along with huge bastions at the corners. It resembles the Asaf Jahi style of architecture with spacious halls and a summerhouse. A 40 ft monolithic victory pillar here is a major attraction. Another important feature at Quilla Ramalayam is the Bada Rammandir Temple, built by
Samarth Ramdas, the guru of
Chhatrapati Shivaji. The fort offers a beautiful view of Nizamabad town and its surroundings.