Sadhguru: Effectively It is just one. Another just one is just a question of sizing. We estimated that If your houses are any where among 2000-2500 sq. ft., the Bhairavi Yantra would do. For households bigger than that, we explained this is not ample and we available the Avighna. Avighna https://www.youtube.com/@Mahavidyabaglamukhi