The bund, stone re-inforcement - which is christined as Kallanai, is seemingly located near Nemam - Thirukkandiyur - Thirukkattupalli route - according to one version - citing an ancient coin avl in Madras Museum.
In Kumudham weekly, it was earlier reported that Karikalan worshipped one "Ey Gowri amman" - now known as Vallam Kali - near Thanjavur. Ram & Lavanya of our Group read "Madhirai vendra kooperukesari .." inscriptions inside the temple pillars and immediately identified Sundara Chozha!
Sundara Chozhan & Vanavanmadevi pallipadai temples are reportedly known as Rettaikkoils and located near Aayirahali. Nemam is about 10 Kms west of this place :