The Moolavar is Thothaatrinathan seen in seated posture facing east.  The utsavar is Deivanayagan.  The oil that is used for abhishekam daily is poured into a well (25'x15') in the temple.  This oil is said to cure devotees of all diseases.

The king of Sindhu had taken the form of a dog due to the curse of Kusaasana maharishi.  On bathing in the Chaetru -thaamarai Theertham he regained his original form.

When Lord Vishnu vanquished the asuras Madhu Kaidabhar, Boomi Devi felt she had become unclean & prayed to the Lord to purify her.  The Lord blessed & purified Boomi Devi.  There is an idol of Lord Vishnu seated along with Sridevi & Boodevi on the Srivaigunda vimaanam.

Urvasi & Tilottamai did penance at this sthalam & pleased the Lord by their bakthi.  There are idols of the two maidens with venn saamaram on either side of the Lord.

Thaayaar - Chirivaramangai Thaayaar, Ubhaya Naachiaar on either side.

Theertham - Indra Theertham, Chaetru-thaamarai Theertham.

Mangalasasanam:
Nammalwar: 3183-3193

Total of 11 Paasurams.