Valmiki Ramayana Yuddha Kanda Sarga 43 Shloka 11
Original Shlokaअग्निकेतुश्चसुदुर्धर्षोरश्मिकेतुश्चराक्षसः । सुप्तघ्नोयज्ञकोपश्चरामेणसहसङ्गताः ।।6.43.11।।
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सुदुर्धर्षः difficult to win over, अग्निकेतुः Agnikethu, राक्षसः Rakshasa, रश्मिकेतुश्च and Rasmikethu, सुप्तघ्नुः Suptaghna, यज्ञकेपश्च Yajnakepu, रामेणसह along with Rama, सङ्गताः waged.
Agnikethu, a Rakshasa who is difficult to win over, Rasmikethu, Suptaghna and Yajnakepu waged war with Rama.