Sadhguru: Primarily It is just one. One other just one is just a matter of dimension. We approximated that if the houses are anywhere amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we said this isn't sufficient and we presented the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi