Sadhguru: Primarily it is only one. The opposite a single is just a matter of dimension. We approximated that When the residences are everywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences greater than that, we said this is simply not sufficient and we presented the Avighna. https://vashikaran30617.iyublog.com/38142869/yantra-for-dummies