Alwar fort

Bala Quila also known Alwar fort is a fort in Alwar in Indian state of Rajasthan. It is situated on a hill in the Aravalli Range, above the town of Alwar.^[2] The fort is 5 kilometres (3.1 mi) long and is about 1.5 kilometres (0.93 mi) wide. It was built in 10th century by the Jats and Nikumbh Rajputs. In the following centuries it went to the Marathas, Yadavas,and to the Kachwaha Rajputs.^[3]

• http://en.wikipedia.org/wiki/Alwar fort