Sadhguru: Fundamentally It is only one. One other a person is simply a matter of sizing. We believed that if the homes are anyplace in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses greater than that, we mentioned this isn't adequate and we supplied the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi