Balai Dhap an archaeological site, located on the northern part of village Saralpur, on the west bank of the Ato Nala (canal or river channel), approximately 1.5 km southwest of Mahasthan citadel. The mound has suffered considerable damage due to brick robbing. At present it measures about 20 x 15 x 5 m and has an area of 0.03 hectare. A few brick walls are exposed. The sizes of bricks are 21 x 18 x 5 cm and 23 x 19 x 5 cm. A few potsherds are found on the mound. A gold plated bronze Manjushri image belonging to Gupta period has been reported from the site.