After coming to the foremost of holy centres, performing the ablution in accordance with the rules and by making the water-offering to the manes one is rid of Brahmahatyā.
It was on the eighth day in the dark half of the month of Mārgaśīrṣa that lord Śiva, the favourite of the good and indulging in auspicious sports, manifested himself in the form of Bhairava.
The person who observes fast on the eighth day of the dark half of the month of Mārgaśīrṣa in front of Kālabhairava and also keeps awake at night is freed from great sins.