Conclude the puja by undertaking the aarti of Kaal Bhairav. You can sing a Bhairav Aarti or simply chant his name although waving the diya before the deity. There is another circle inside of it that has 8 lotus petal in which the 8 Bhairava or possibly aśṭa Bhairava reside. https://directory-nation.com/listings13205802/about-kaal-bhairav