Canto 2 -
Ayodhyā-kāṇḍa
Chapter 20: Kausalyā’s Lamentation
Text 2.20.16

प्रविश्य च तदा रामो मातुरन्तःपुरं शुभम्।
ददर्श मातरं तत्र हावयन्तीं हुताशनम्॥

praviśya ca tadā rāmo mātur antaḥ-puraṁ śubham
dadarśa mātaraṁ tatra hāvayantīṁ hutāśanam

praviśya ca = having entered; tadā = then; rāmaḥ = Rāma; mātuḥ = of His mother; antaḥ-puram = inner quarters; śubham = the auspicious; dadarśa = saw; mātaram = His mother; tatra = there;  hāvayantīm = having brāhmaṇas offer oblations; huta-aśanam = into the sacrificial fire.

Having entered the auspicious inner quarters of His mother, Rāma then saw His mother there, having brāhmaṇas offer oblations into the sacrificial fire.