According to Hindu mythology, the Devas worshipped Shiva at Thevur to rid themselves of the sin of killing Vruddhasura. The temple is also associated with the legends of the Ramayana as per which Kubera worshipped Shiva at the Deva Pureeswarar Temple to get back his wealth stolen by Ravana. As per the Mahabharata, Virata worshipped Shiva at the temple along with his son Uttara.
Significance
Praises of the temple have been sung by the Nayanmars, Appar and Sambandar. The temple is frequented by unmarried people and those seeking children.