Valmiki Ramayana Bala Kanda Sarga 77 Shloka 23
Original Shlokaगते तु भरते रामो लक्ष्मणश्च महाबल:। पितरं देवसंङ्काशं पूजयामासतुस्तदा।।1.77.23।।
1 source checked for this shloka
तदा then, भरते when Bharata, गते had departed, राम: Rama, महाबल: mighty one, लक्ष्मणश्च Lakshmana also, देवसंङ्काशम् resembling god, पितरम् father, पूजयामासतु: both of them served.
After the departure of Bharata, mighty Rama and Lakshmana continued to serve their godlike father.