Valmiki Ramayana Yuddha Kanda Sarga 101 Shloka 35
Original Shlokaन्यपतत्सामहावेगालक्ष्मणस्यमहोरसि । जिह्वेवोरगराजस्यदीप्यमानामहाद्युतिः ।।6.101.35।।
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उरगराजस्य king of serpents, Vasuki, दीप्यमाना glowing, जिह्वेव like tongue, महाद्युतिःflaming, महावेगा at high speed, सा that javelin, लक्ष्मणस्य Lakshman's, महोरपि broad chest, न्यपतत् descended on
Glowing like the tongue of Vasuki, the king of serpents, flaming, त्त्जवेलिन descended at high speed on the chest of Lakshmana.