Sadhguru: Primarily It is only one. Another a single is simply a question of dimensions. We approximated that If your residences are any place between 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties much larger than that, we said this isn't ample and we presented the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi