Sadhguru: Primarily It is just one. Another a single is simply a matter of dimensions. We believed that When the homes are any place concerning 2000-2500 sq. ft., the Bhairavi Yantra would do. For houses much larger than that, we stated it's not sufficient and we supplied the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi