Deities: Sree Vaikunthanathan (Kallappiraan) is to be found in a standing posture facing east. Adi Seshan's hood is spread over his head.
Legend states that a local thief, would give half his spoils to the deity. Upon being caught stealing at the local ruler's palace, Vishnu assumed the form of a thief, and preached the truth to the king and revealed himself. On king's request, Vaikunthanathan, assumed the name Kallappiraan.
Temple: This temple is designed so that on the 6th day of Chittirai (Apr 15-May14) and Aippasi (Oct 15-Nov14), the sun's rays illuminate the sanctum. Murals depict the 108 Sri Vaishnava Divya desam shrines in the temple corridor. The Tiruvenkatamudaiyan mandapam is lined with pillars having images of lions, yalis and elephants. The 110 feet tall nine-tiered Rajagopuram is visible from across the river. There are shrines dedicated to Krishna, Lakshmi Narasimha, Hanuman, Tiruvenkatamudaiyaan.
Festivals: The annual Bhramotsavam is celebrated in the month of Chittirai and the adhyana utsavam in Margazhi.