Bhagavatapurana 11.4.18.p2

11.4.18.p2

saṃstunvato nipatitān śramaṇān ṛṣīṃś ca $ śakraṃ ca vṛtra-vadhatas tamasi praviṣṭam &

19. The Lord rescued from difficulty Valakhilyas, Rishis of great tapas, who had fallen into the sea and been praising Him and also Indra from the sin of killing a brahmin in having slain Vritra: and also the celestial damsels who had been helplessly shut up in the Asura's house: and to end the fear of the righteous He as Narasimha put an end to that great asura.