Sadhguru: Fundamentally it is just one. One other 1 is simply a question of measurement. We estimated that In case the houses are any where among 2000-2500 sq. ft., the Bhairavi Yantra would do. For households more substantial than that, we said it's not sufficient and we made available the https://edgardfbvo.bcbloggers.com/38183703/yantra-for-dummies