Valmiki Ramayana Ayodhya Kanda Sarga 102 Shloka 28

ततः then, तेजस्वी powerful, राघवः scion of the Raghu race (Rama), मन्दाकिनीतीरात् from the bank the river Mandakini, प्रत्युत्तीर्य climbing up, भ्रातृभि: सह with his brothers, पितुः for the departed father, निवापम् offerings of pinda ( balls of rice or flour), चकार made.

Then, the powerful scion of the Raghu race reached bank, from the bathing spot of the river Mandakini along with his brothers and offered pinda (an offering of rice flour to the departed) to his late lamented father.