Bhismaknagar fort, located nearly 30 km from Roing. It was excavated from 1965-70. The complex houses the ruins of brick-built structure of 1860.52 sq. m plinth area, having three halls, two extension rooms and six entrances in all. It has two impressive gates – Eastern Gate and Western Gate. Almost the entire area of the fortress is protected with a rampart wall made of bricks, stone, and mud. The Northern side of the fort is protected by the natural boundary of hills.