Sadhguru: Primarily it is just one. Another a single is just a question of dimension. We estimated that When the homes are anywhere between 2000-2500 sq. ft., the Bhairavi Yantra would do. For households larger sized than that, we claimed this is simply not ample and we available the Avighna. https://free-kundli66431.blogsvila.com/39557344/detailed-notes-on-yantra