Ranganatha is a form of the Hindu god Vishnu, primarily worshipped in the South Indian state of Tamil Nadu. He is often depicted reclining on the serpent Adisesha, symbolizing his role as the preserver of the universe. Ranganatha is especially revered in the famous temple of Srirangam, which is one of the largest and most important Vaishnavite temples in India. The worship of Ranganatha is central to the Vaishnavism tradition, which emphasizes devotion to Vishnu and his avatars. Festivals and rituals dedicated to Ranganatha attract thousands of devotees, showcasing the rich cultural heritage and spiritual practices associated with this deity.