kiṁ tat sādhu kṛtaṁ hi taiḥ

sri-raja uvaca-King Pariksit said; katham-why; te-they; asuram-demoniac; bhavam-mentality; apohya-giving up; autpattikam-due to birth; guro-my dear lord; indrena-by Indra; prapitah-were converted; sa-atmyam-to demigods; kim-whether; tat-therefore; sadhu-pious activities; krtam-performed; hi-indeed; taih-by them.