Sadhguru: Essentially It is only one. The opposite a single is simply a matter of size. We approximated that When the residences are any where in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes bigger than that, we mentioned it's not ample and we provided the Avighna. https://www.youtube.com/@Mahavidyabaglamukhi