Sadhguru: Primarily It is just one. The other one is just a matter of sizing. We believed that If your residences are any place concerning 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences much larger than that, we explained this isn't adequate and we provided the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi