Sadhguru: Basically It is only one. The opposite a single is just a matter of dimension. We estimated that If your properties are anyplace concerning 2000-2500 sq. ft., the Bhairavi Yantra would do. For households more substantial than that, we stated it's not ample and we provided the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi