Sadhguru: Primarily It is only one. Another a person is simply a matter of measurement. We believed that If your houses are any where among 2000-2500 sq. ft., the Bhairavi Yantra would do. For households bigger than that, we claimed this isn't ample and we made available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi