Verse 17

तस्माद्रसातलं गत्वा यथावत्स्थापयाम्यहम् ।स्वे क्रमे दानवाधीशमृतुः पुनरिव द्रुमम्

In plain words

Therefore, going down to Rasātala, I shall duly set the lord of the dānavas back into his own right course, as the turning season revives a tree.