Sadhguru: Essentially It is only one. Another 1 is just a question of dimension. We approximated that When the residences are everywhere among 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we explained this isn't more than enough and we offered the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi