Sadhguru: In Essence it is only one. The other 1 is simply a matter of size. We approximated that If your homes are everywhere involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes greater than that, we claimed it's not sufficient and we supplied the Avighna. Avighna also https://www.youtube.com/@Mahavidyabaglamukhi