Valmiki Ramayana Ayodhya Kanda Sarga 4 Shloka 30
Original Shlokaतत्र तां प्रवणामेव मातरं क्षौमवासिनीम्। वाग्यतां देवतागारे ददर्शाऽऽयाचतीं श्रियम्।।2.4.30।।
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तत्र there, देवतागारे in the room (meant for worship) of the gods, प्रवणामेव engrossed in devotion, क्षौमवासिनीम् wearing silk apparels, वाग्यताम् silently, श्रियम् for royal fortune, आयाचतीम् praying, ताम् मातरम् that mother, ददर्श beheld.
There he beheld his mother in silk apparel engrossed in silent prayer (to the gods) for his royal fortune in the room meant for the worship of the gods.