Sadhguru: Primarily It is just one. The other 1 is just a matter of sizing. We believed that If your houses are anyplace in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes larger than that, we said it's not plenty of and we made available the Avighna. https://www.youtube.com/@Mahavidyabaglamukhi