Chevvai Bhagavan is worshipped in the town of Vaideeswaran Koil which is also called Thirupullirukku Velur. Sambathi, Jadayu, Lord Muruga, Suriyan are also reputed to have worshipped in this sthalam. Even diseases that could not get cured by Mani Manthira Aushathangal got cured at this place and the presiding deity came to be called Vaidyanathar. His consort who was the chief of women of both worlds is hailed as Thayal Nayagi. Selva Muthukumarasami of this temple is lovingly called Muthiah. Kumaragurubarasami wrote the book "Muthukumarasami Pillai Thamizh".
Once, when Lord Shiva was in deep meditation, perspiration from his third eye fell on earth. The male child that was born of this sweat drop was Angaragan (Chevvai). Angaragan married Sakthi Devi of Avanti town and had a son called Sumarasan. Problems from wife/children/brothers, enimity with friends, loss of wealth, quarrels, problems with Govt., lasting poverty, anger, bad friendship, Kalathira Dosham are because of Chevvai. By praying to him, a person can offset the problems arising out of his afflictions. Brothers and sisters, physical strength, victory, valour are the beneficial aspects of this planet.
The sthalam of Chevvai Bhagavan is Vaideeswaran koil, which is located 6kms from Sirgazhi en route to Mayavaram. His wives are Malini, Susilini. The presiding deity are Vaidyanathan and his consort Thaiyal Nayaki.
Chevvai is the Lord of Mesha and Vrichika Rasi and he faces South direction. The Adi Devatha is Boomidevi; Prathyathi Devatha is Kshetra Balagan; his colour is red and his vahana is the ram. The grain associated with him is thuvarai; the flowers - shenbagam and red arali; fabric - red cloth; gem - coral; food- rice mixed with toor dhal powder.