Sadhguru: Primarily It is just one. Another 1 is just a question of sizing. We believed that Should the residences are anywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For households larger sized than that, we reported this isn't enough and we made available the Avighna. Avighna also https://www.youtube.com/@Mahavidyabaglamukhi