Kala Bhairava is a fierce manifestation of Shiva associated with annihilation. Bhairava is the one who creates, sustains, and dissolves the three stages of life. The Bhairava concept can be seen in not only Hinduism but also in some Buddhist schools and Jainism. It means he is the Lord who protects his devotees from external enemies & also from internal enemies such as greed, lust, anger, and all other negative emotions. Bhairava's head is ornamented with a crown entwined with snakes and skulls which symbolizes rage.
Inspired by the famous Kaal Bhairava masks of Nepal, I have combined motifs of Alpana- a traditional folk art form of Bengal.
The initial sketch-