Matsya Purana 193.68

193.68

māsi bhādrapade caiva śuklapakṣe caturdaśī.
upoṣya rajanīmekāṃ tasmin snānaṃ samācaret .. 193.69

The devotee should go to the sacred Airaṇḍi tīrtha It brings the same benefits as are obtained by bathing at Prayâga One who bathes there on the 14th day of the bright fortnight during the month of Bhâdrapada after observing a fast for a night, is not persecuted by the attendants of Yama and goes to the realm of Rudra—67 70