It is 24 kms from Chidambaram and 6 kms from Sirkazhi. This town is famous for the massive Sri Vaithyanatheeswarar Temple complex and also one of the few popular centers for Naadi Jyothisham [ a form of Astrology-Palm leaf]. The legend says that the presiding deity treated and cured the soldiers of Lord Subramnya in the battle against a demon. The people believe that they are relieved of evil effects by worshipping the lord here. A dip in the temple tank called Siddhamritham and worshipping the God is believed to cure all diseases too.