Sadhguru: Primarily It is only one. One other one is simply a question of dimension. We approximated that If your households are anyplace among 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties much larger than that, we reported this is not enough and we supplied the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi