Sadhguru: In Essence it is only one. Another a single is just a matter of measurement. We estimated that if the properties are any place among 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes larger than that, we claimed this isn't enough and we presented the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi