During the innermost segment of your yantra inside the enclosure of shiv and shakti triangles lies the round dot or bindu wherever Kāla Bhairava reside in union along with his Shakti. अट्टहासभिन्नपद्मजाण्डकोशसंततिं दृष्टिपातनष्टपापजालमुग्रशासनम् । अष्टसिद्धिदायकं कपालमालिकाधरं काशिकापुराधिनाथकालभैरवं भजे ॥७॥ The Chanda kind of Lord Bhairav is white in coloration and https://www.youtube.com/@Goldiemadanji