During this period, the Lord, in the form of Dandapani, rides on his Pet. He is known as Dandapani, as he wields a Danda or rod, to punish sinners. Devotees preserve an all-night time vigil about the night time of Bhairava Ashtami, praying and singing the praises in their Lord. https://shabar51840.tribunablog.com/5-essential-elements-for-bhairav-40913842