Sadhguru: Primarily It is just one. Another just one is simply an issue of measurement. We approximated that When the homes are anywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For households much larger than that, we mentioned this isn't enough and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi