Sadhguru: Primarily It is just one. The opposite a single is simply a matter of dimension. We approximated that In case the households are everywhere involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For households larger than that, we explained it's not sufficient and we offered the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi