Sadhguru: Primarily It is just one. One other just one is simply a question of size. We believed that If your houses are anywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties bigger than that, we mentioned this isn't adequate and we available the Avighna. Avighna also https://www.youtube.com/@Mahavidyabaglamukhi