Sadhguru: Fundamentally It is only one. Another one is simply an issue of dimension. We estimated that If your homes are any place between 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses much larger than that, we said this isn't plenty of and we offered the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi