Sadhguru: In Essence it is only one. One other one is just a question of measurement. We approximated that If your households are anyplace amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For households bigger than that, we said this isn't enough and we presented the Avighna. Avighna also https://www.youtube.com/@Mahavidyabaglamukhi