Sadhguru: Fundamentally It is only one. Another one is simply an issue of size. We believed that If your households are any where concerning 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences greater than that, we stated this is not enough and we available the Avighna. Avighna also https://www.youtube.com/@Mahavidyabaglamukhi