Sadhguru: In Essence it is just one. Another 1 is just a question of size. We believed that Should the residences are any where involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we explained this isn't sufficient and we provided the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi