Sadhguru: Effectively it is only one. One other one particular is simply a matter of measurement. We estimated that if the households are wherever in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For households much larger than that, we mentioned this isn't adequate and we supplied the Avighna. https://freekundli58241.bloggazzo.com/38035434/not-known-factual-statements-about-mantra