Sadhguru: In Essence it is only one. Another one is just a matter of sizing. We believed that When the residences are everywhere amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties much larger than that, we mentioned it's not sufficient and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi