Sadhguru: Fundamentally It is just one. One other a single is simply a question of sizing. We approximated that if the residences are anyplace involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses larger sized than that, we explained this is not ample and we offered the Avighna. https://www.youtube.com/@Mahavidyabaglamukhi