Valmiki Ramayana Yuddha Kanda Sarga 75 Shloka 47
Original Shlokaस निकुम्भं च कुम्भं च कुम्भकर्णात्मजावुभौ । प्रेषयामाससङ्कृद्धोराक्षससैर्बहुभिस्सह ।।6.75.47।।
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सङ्कृद्धः becoming very angry, सः he, कुम्भं च Kumbha and, निकुम्भं च Nikumbha, कुम्भकर्णात्मजौ Kumbhakarna's sons, उभौ both, बहुभिः many, राक्षसैस्सह Rakshasas, प्रेषयामास sent for.
Seized with anger, he sent for Kumbha and Nikumbha, both the sons of Kumbhakarna and many Rakshasas.