Aditya Hridayam - The Heart of Aditya (the Sun God) - 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. The Aditya Hridayam, is a hymn in glorification of the Sun or Surya and was recited by the great sage Agastya to Lord Rama on the battlefield before fighting with Ravana. This historic hymn starts at the beginning of the Battle with Ravana, when Lord Rama is fatigued and getting ready to fight. The mystical hymn is dircted to the Sun God, the illustrious lord of all victories.