Evidences of the courts and jails, where the convicts were detained, belonging to chieftains who ruled Batticaloa areas had been discovered.
Part of a house built in 1832 and some other dilapidated buildings had been found buried in the soil. During the period of the rule of the Chieftains in Baticaloa, District Authorities of the Vannimai had established their seat of rule centering on the ancient village of Natpiddimunai. Setllement of people had spread to other villages, centering on this village. The descendants Vannimai people had lived at Poonkodiveddai (currently known as Punkodiveddai) in the ancient village, now known as Natpiddimunai. Their descendants are still living in this area. Courts complex and the jail for detaining convicts had existed here.
The ruins found here include, parts of houses , walls, foundations, built with Sorikkal, beautiful windows with Artistic motifs, door frames, Doors, large logs in the roof work, and houses laid with curved tiles.