Sadhguru: Basically It is just one. One other one is just an issue of sizing. We estimated that When the properties are any where between 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses more substantial than that, we claimed it's not sufficient and we presented the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi