Valmiki Ramayana Bala Kanda Sarga 26 Shloka 17
Original Shlokaशिलावर्षं महत्तस्याश्शरवर्षेण राघव:। प्रतिहत्योपधावन्त्या: करौ चिच्छेद पत्रिभि: ।।1.26.17।।
1 source checked for this shloka
राघव: Rama, तस्या: her, महत् mighty, शिलावर्षम् rain of rocks, शरवर्षेण with volleys of arrows, प्रतिहत्य retaliating, उपधावन्त्या: while she was running towards him, करौ both her hands, पत्रिभि: with arrows, चिच्छेद cut off.
Rama retaliated that mighty rain of rocks with a volley of arrows. While she was advancing towards him, he cut off her hands.