Aditya Hridayam - The Heart of Aditya - Sundara Khanda, Valmiki Ramayanam Aditya = the Sun God; Hridayam = that which is especially nourishing and healing for the heart. Sage Agasthya Muni gave this powerful Mantra to Sri Rama when Rama was perplexed, while fighting with Ravana. After chanting this Hymn three times Sri Rama defeated Ravana.