The extensive mound represend the ruins of the Hansi fort which according t the tradition is ascribed to Prithvi raj Chauhan and was later destroyed by Muhammad Ghori. After that some Muslim and Hindu shrines were built here from time to time. In 1982, forty-seven Jaina bronze images were found inside the fort.
In view of its historical importance, it was declared protected as a monument of national importance vide notification no. Edlands, 18-11/37-F dated 15.12.1937.
Archaeological excavations conducted at the site by the Excavation Branch-II of Archaeological survey of India under the direction of Shri D.V. Sharma from 2003-2004 and 2004-2005. The excavation have revealed cultural sequence of 10 periods beginning from Black and Red ware culture, followed by Painted Grey ware culture, Northern Black Polish ware culture, Sunga period, Kushan/Late Kushana period, Rajpur period, Sultanate period, Mughal/Late Mughal period and British period.