Sadhguru: Essentially It is just one. The other 1 is just a question of measurement. We approximated that In case the houses are anywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For households much larger than that, we explained this isn't enough and we available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi