Sadhguru: Fundamentally It is only one. The other 1 is simply a matter of dimension. We approximated that If your households are anyplace among 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences larger sized than that, we said this isn't adequate and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi