Mahabharata Anushasna Parva Chapter 107:4

Mahabharata Anushasna Parva (Dana Dharma Parva) Chapter 107:4 Endued with the blazing splendour of the Yoga-fire, he lives for countless years in a celestial mansion in heaven, full of every happiness. For those countless years he experiences the joy of bending his head in reverence unto Rudra adored by deities and Danavas. Such a person obtains every day the sight of the great deity. That man who having fasted for eleven days eats only a little ghee on the twelfth, and observes this conduct for a whole year, succeeds in obtaining the merits attaching to all the sacrifices. The car he rides in is possessed of the effulgence of a dozen suns. Adorned with gems and pearls and corals of great value, embellished with rows of swans and snakes and of peacocks and Chakravakas uttering their melodious notes, and beautified with large domes, is the residence to which he attains in the region of Brahman. That abode, O king, is always filled with men and women (who wait upon him for service). Even this is what the highly blessed Rishi Angiras, conversant with every duty, said (regarding the fruits of such a fast). That man who having fasted for twelve days eats a little ghee on the thirteenth, and bears himself in this way for a whole year, succeeds in attaining to the merits of the divine sacrifice. Such a man obtains a car of the complexion of the newly-blown lotus, adorned with pure gold and heaps of jewels and gems. He proceeds to the region of the Maruts that teem with celestial damsels, that are adorned with every kind of celestial ornament, that are redolent with celestial perfumes, and that contain every element of felicity. The number of years he resides in those happy regions is countless[]. Soothed with the sound of music and the melodious voice of Gandharvas and the sounds and blare of drums and Panavas, he is constantly gladdened by celestial damsels of great beauty. That man who having fasted for thirteen days eats a little ghee on the fourteenth day, and bears himself in this way for a full year, obtains the merits of the Mahamedha sacrifice.[] Celestial damsels of indescribable beauty, and whose age cannot be guessed for they are for ever young in appearance, adorned with every ornament and with armlets of blazing effulgence, wait upon him with many cars and follow him in his journeys. He is waked every morning from his bed by the melodious voice of swans, the tinkle of Nupuras, and the highly agreeable jingle of Kanchis. Verily, he resides in a superior abode, waited upon by such celestial damsels, for years as countless as the sands on the shores of Ganga. That man who, keeping his senses under control, fasts for a fortnight and takes only one meal on the sixteenth day, and bears himself in this way for a whole year, pouring libations every day on his sacred fire, acquires the high merits that attach to a thousand Rajasuya sacrifices. The car he rides in is possessed of great beauty and is drawn by swans and peacocks.