A famous temple of Lord Siva Sang Arul Nathar and Ammai Alagammai.In Sangam period it is a part of Kaveri Poompattinam. Ko chenkot Cholan built this “Mada Koil .” Sangu Vanam , Sangararyam, Thala Sanganam are other names. Thirumal prayed and got “Pancha Sainyam”.