He who fasts on the twelfth day of the moon in the month of Magha and adores Krishna, as Madhava, for the whole day and night, acquires the merits of the Rajasuya sacrifice, and rescues his own family.
अहोरात्रेण द्वादश्यां माघमासे तु माधवम्। राजसूयमवाप्नोति कुलं चैव समुद्धरेत्॥