The oldest of them have been dated to the reign of the Medieval Chola king Parantaka I.
The major festival of the temple, the Brahmotsavam, is celebrated during the Tamil month of Kartigai
The temple, believed to have been built Kochengat Cholan of the late 3rd century ad.
The temple is built on an elevated structure and is approached through a flight of 21 steps.
The copper plate inscriptions from Anbil indicate generous contribution by the Chola kings.
the temple is said to have been built by Sibi Chakravarthy, king of Ayodhya in Treta Yuga 15 lakh years ago.
It is one of the 108 Divyadesam dedicated to Vishnu, who is worshipped as Purushottaman.
The early medieval Tamil canon of the Azhwar saints from the 6th–9th centuries AD.
The temple is glorified in the Divya Prabandha
It has icons of five forms of Vishnu: Narasimha, Rama, Gajendra Varadaraja, Ranganatha & Krishna.