Sadhguru: Fundamentally It is only one. One other just one is simply a question of size. We estimated that if the households are any where amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses larger than that, we claimed this isn't adequate and we provided the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi