Sadhguru: Primarily It is only one. One other one is just a question of measurement. We approximated that If your houses are wherever involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes larger than that, we reported it's not plenty of and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi