 तस्यार्थमुत्तरं कालं निवत्स्यामि सुखं वने।तं प्रतिश्रवमामुच्य नास्य मिथ्या भविष्यति।। 
 Taking upon myself the vow of Rama, I too shall live in the forest cheerfully for the rest of the term on behalf of him so that his vow shall not prove untrue. 