Valmiki Ramayana Ayodhya Kanda Sarga 74 Shloka 30

अहम् I, भ्रातुः for my brother, पितुश्च for father, इमाम् this, सकलाम् complete, अपचितिम् atonement for improper conduct, यशसः of fame, वर्धनम् enhancement, करिष्यामि will do, संशयः doubt, न not.

As for me, I shall do whatever is necessary for the atonement of the improper conduct shown towards my father and brother and for enhancement of my fame. There is no doubt about it.