Sadhguru: Basically It is just one. The other one is simply a matter of sizing. We believed that If your residences are everywhere involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses larger sized than that, we mentioned it's not sufficient and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi