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Thiruvidaimarudur brahmahathi
Brahmahathi (Hathi- sin caused by a murder - Brahminicide) is found in the south wall (south torana vayil) with head disheveled and face immersed betwixt the knees. Varaguna Pandiyas horse accidentally crushed a Brahmin and killed him. The sin followed wherever he went. The king came to this temple. The Brahmahathi could not enter and waited outside. The king went out by another entrance. The Brahmahathi is waiting outside still. The king was relieved of his melody. People inflicted with mental disorders go round the circumambulatory path and get redress.
There are two Puranam
1. Sthala purana written by Sivakkolundu Deshika of Kottaiyar
2. Marudavana Puranam.
There is an Ula written by Mahavidvan Meenakshi Sundaram Pillai. The Thevaram, Thiruvasagam, Thiruvidaimarudur Mummanikkovai, Thiruppazh, Thiruvidaimaurudur Pathirruppathanthathi, Thiruvidaimaurudur Kalambakam, Thiruvidaimarudur Nondi Natakam contain sufficient information about the temple. Kandapuranam, Lingapurana, Brahmavaivartham and Sivarahasya mention the glory of the Lord.