Aditya Hrudayam
राम राम महाबाहो शृणु गुह्यं सनातनम्। येन सर्वानरीन् वत्स समरे विजयिष्यसि॥
Sage Agastya approached Rama and spoke as follows: dear Rama there is a solution for your worry which is a perennial secret, by reciting it you would be victorious in this war.
english translation
rAma rAma mahAbAho zRNu guhyaM sanAtanam। yena sarvAnarIn vatsa samare vijayiSyasi॥
hk transliteration by Sanscript