Valmiki Ramayana Yuddha Kanda Sarga 43 Shloka 12
Original Shlokaवज्रमुष्टिस्तुमैन्देनद्विविदेनाशनिप्रभः । राक्षसाभ्यांसुघोराभ्यांकपिमुख्यौसमागतौ ।।6.43.12।।
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वज्रमुष्टिः Vajramushti, तु also, मैन्देन with Mainda, अशनिप्रभः Asaniprabhu, द्विविदेन with Dwivida कपिमुख्यौ chief of monkeys, सुघोराभ्याम् fearful, राक्षसाभ्याम् with the two Rakshasas, समागतौ fought.
Vajramushti with Mainda and Asaniprabhu with Dwivida, the chief of monkeys, fought with the two Rakshasas.