Sadhguru: Essentially It is just one. The other a single is simply a matter of size. We approximated that If your houses are anyplace among 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties more substantial than that, we explained this isn't enough and we offered the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi