Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 147
Original Shlokaरामोऽयमितिविज्ञायजहासविकृतस्वनम् । अभ्यधावतसङ्ककृद्धोहरीवनिद्रावयन्रणे ।।6.67.147।।
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अयम् this, रामःइति this is Rama, विज्ञाय victory, विकृतस्वनम् unnatural sound, जहास laughed, सङ्ककृद्धः great rage, रणे battle, हरीन् monkeys, वित्रासयन् scattered, अभ्यधावत ran after.
Knowing that this is Rama, Kumbhakarna laughed in an unnatural manner making a sound and ran after scattering the monkeys in great rage.