Lord Vishnu strictly penanced the Goddess and she appeared in the form of Baglamukhi at haridra sarovar, which is situated in Saurashtra district of Gujrat and saved all of the residing beings within the demon. Because then, Goddess Bagalmukhi is worshipped with wonderful reverence. This puja is done to https://www.youtube.com/watch?v=IOlRdolK0uM&t=2s