Sadhguru: In Essence it is only one. Another one is just a question of dimension. We estimated that When the houses are everywhere amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we said this is not enough and we provided the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi