Shiva Purana
दग्ध्वा लंकां वंचयित्वा विभीषणगृहं ततः ॥ अपतद्वारिधौ वीरस्ततस्स कपिकुञ्जरः ॥ २५॥
After burning Laṅkā except the mansion of Bibhīṣaṇa, the heroic leader of monkeys jumped into the ocean.
english translation
dagdhvA laMkAM vaMcayitvA vibhISaNagRhaM tataH ॥ apatadvAridhau vIrastatassa kapikuJjaraH ॥ 25॥
hk transliteration by Sanscript