He who, similarly, fasts on the twelfth day of the moon in the month of Pausha and adores Krishna as Narayana, for the whole day and night, acquires the merits of the Vajapeya sacrifice and the highest success.
तथैव पौषमासे तू पूज्यो नारायणेति च। वाजपेयमवाप्नोति सिद्धिं च परमां व्रजेत्॥