Sadhguru: Essentially It is only one. One other a person is simply a matter of dimensions. We approximated that If your residences are any place involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we explained this isn't adequate and we supplied the Avighna. https://www.youtube.com/@Mahavidyabaglamukhi