Matsyapurana 101.68

101.68

saptarātroṣito dadyād ghṛtakumbhaṃ dvijātaye
ghṛtavratamidaṃ prāhur brahmalokaphalapradam //

One who lives only on the nightly meal, on the 14th day of each month, for a year, and then gives away cows, goes to the region of Śiva. This is (46) *Trayambaka-Vrata*.—67. Ono who keeps a continous fast for seven nights, and then gives a pot of clarified butter to a Brâhmaṇa, goes to the region of Brahmâ. This is (47) Ghṛita-Vrata.—68.