The debris of palaces , ruined moat, mosque and other constructions had become very old which was constructed by Sadhathulkhan, the then Nawab of Arcot. It was constructed with stucco and bricks in the 18th century. Most of the constructions had gone ruined. The pond near the fort, the worship place of mosque, a well near the fort alone are left now. It covers an area of around 10 K.Ms. water from Palar is designed in such a way, to reach this place and reach back to palar is one of the marvelous features of this design. It is also known as Alampana Fort.