Valmiki Ramayana Yuddha Kanda Sarga 47 Shloka 15
Original Shlokaरावणोऽकारयल्लङ्कांपताकाध्वजमालिनीम् ।।6.47.15।। प्राघोषयतहृष्टश्चलङ्कायांराक्षसेश्वरः । राघवोलक्ष्मणश्चैवहताविन्द्रजितारणे ।।6.47.16।।
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राक्षसेश्वरः Lord of Rakshasas, रावणः Ravana, हृष्टः rejoiced, लङ्काम् Lanka, पताकाध्वजमालिनीम् with rows of flags and posts, कारयामास made decorations, राघवः Raghava, लक्ष्मणश्चैव and Lakshmana, इन्द्रजिता by Indrajith, रणे in war, हतौ killed, प्राघोषयत proclaimed.
The Lord of Rakshasas rejoiced and went to Lanka decorated with flags and posts proclaiming that Rama and Lakshmana were killed by Indrajith in war.