Mbh 13.107.2h

That man who having fasted for seventeen days eats only one meal on the eighteenth day, and bears himself in this way for a whole year, succeeds in grasping the seven regions, of which the universe consist, in his ken. While performing his journeys on his car he is always followed by a large train of cars producing the most agreeable rattle and ridden by celestial damsels blazing with ornament and beauty. Enjoying the greatest happiness, the vehicle he rides in is celestial and endued with the greatest beauty. It is drawn by lions and tigers, and produces a rattle as deep as the sound of the clouds. He lives in such felicity for a thousand Kalpas subsisting upon the succulence of ambrosia that is as sweet as nectar itself. That man who having fasted for eighteen days eats only one meal on the nineteenth day and bears himself in this way for a full year, succeeds in grasping within his ken all the seven regions of which the universe consists. The region to which he attains is inhabited by diverse tribes of Apsaras and resounds with the melodious voice of Gandharvas. The car he rides in is possessed of the effulgence of the sun. His heart being freed from every anxiety, he is waited upon by the foremost of celestial damsels. Decked with celestial garlands, and possessed of beauty of form, he lives in such happiness for millions and millions of years. That man who having fasted for nineteen days eats only one meal on every twentieth day and bears himself in this way for a full year, adhering all the while to truthfulness of speech and to the observance of other (excellent) rituals, abstaining also from meat, leading the life of a Brahmacharin, and devoted to the good of all creatures, attains to the extensive regions of great happiness, belonging to the Adityas. While performing his journeys on his own car, he is followed by a large train of cars ridden by Gandharvas and Apsaras decked with celestial garlands and unguents.