Ramayana
परस्परं घ्नतो स्तत्र वानरासुरयोस्तदा । आसीदसुरो युद्धे शक्रसूनुर्व्यवर्धत ॥ ४-११-४४
'Then as the monkey and demon fought pouncing on each other, the prowess of Dundubhi got diminished and that of Vali, the son of Indra, increased. ॥ 4-11-44॥
english translation
parasparaM ghnato statra vAnarAsurayostadA । AsIdasuro yuddhe zakrasUnurvyavardhata ॥ 4-11-44
hk transliteration by Sanscript