“Even though I am a sinful being who committed such evil deeds, I plead to grasp your soft feet that the goddess of earth and the goddess of fortune caress. Oh! You do not come!” (TVM 9.2.10) sung by Nammāḻvār, this sacred place is located about a mile east of Varaguṇa Mangai.
This site can be learned about from the Brahmāṇḍa Purāṇa and the Tāmiraparaṇi