Mahabharata 12.99.4

12.99.4

sarvatejomayaṃ divyaṃ vimānavaramāsthitam |
uparyupari gacchantaṃ svaṃ vai senāpatiṃ prabhum || 4 ||

"Bhishma, said, 'In this connection, O Yudhishthira, is cited the old story of the discourse between Amvarisha and Indra. Amvarisha, the son of Nabhaga, having repaired to heaven that is so difficult of acquisition, beheld his own generalissimo in those celestial regions in the company of Indra. The king saw his puissant general blazing with every kind of energy, endued with celestial form, seated on a very beautiful car, and journeying (in that vehicle) up and up towards still higher regions. Beholding the prosperity of his general Sudeva, and observing how he traversed regions that were still higher, the high-souled Amvarisha, filled with surprise, addressed Vasava, in the following words.'