By observing a similar fast on the twelfth day of the month of Vaishakha and adoring Krishna as the destroyer of Madhur for the whole day and night one acquires the merits of the Agnishtoma sacrifice and proceeds to the region of soma.
वैशाखमासे द्वादश्यां पूजयन् मधुसूदनम्। अग्निष्टोममवाप्नोति सोमलोकं च गच्छति॥