Sudarshana Chakra - the divine disc of Lord
Vishnu, is one of the lord's potent weapons used to destroy evil forces. The disc in the hands of Vishnu is regarded as a separate deity, Lord Sudarshana (Chakrathalwar). In Vishnu temples, the image of Lord Sudarshana is seen with eight or sixteen hands.
Sudarshana Homa is performed in temples to appease the Lord, to alleviate the sufferings and confer health, wealth and prosperity on the seeker.