Valmiki Ramayana Yuddha Kanda Sarga 91 Shloka 37

वीरौ heroes, महाबलशरासनौ of extraordinary might and equipped with huge arms, भीमविक्रमौ of terrific valour, लक्ष्मणेन्द्रजितौ Lakshmana and Indrajith, विशिखैःsharp, बाणैः arrows, अन्योन्यम् one another, जघ्नतुःstruck

Both heroes of extraordinary might and equipped with huge arms, endowed with terrific valour, Lakshmana and Indrajith struck one another with sharp arrows.