Srimad Srimushnam Peria Andavan Sri Ranga Ramanuja Mahadesikan chanting the Sudarshanashtakam. These prayers were compised by Sri Vedanta Desika in the 12th Century CE. The Srirangam Srimad Andavan Ashramam belongs to a Sri Vaishnava tradition tracing back to Bhagavad Ramanuja and Vedanta Desika in the Vadakalai Munitraya Sampradayam.