Sadhguru: Basically It is only one. The opposite a single is just a question of sizing. We approximated that When the homes are any where amongst 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses larger than that, we claimed this isn't sufficient and we offered the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi