Ramayana
स कुम्भकर्णंसुरसैन्यमर्धनम् महत्सुयुद्धेषुकदाचनाजितम् । नन्दहत्वाभरताग्रजोरणेमहासुरंवृत्रमिवामराधिपः ॥ ६-६७-१७८
By killing Kumbhakarna, who tormented the army of celestials and who was not defeated at any time in great battles, Rama was rejoiced in the same way as Indra the lord of celestials was rejoiced in killing Vritra, the great demon. ॥ 6-67-178॥
english translation
sa kumbhakarNaMsurasainyamardhanam mahatsuyuddheSukadAcanAjitam । nandahatvAbharatAgrajoraNemahAsuraMvRtramivAmarAdhipaH ॥ 6-67-178
hk transliteration by Sanscript