Sadhguru: Essentially it is just one. One other 1 is simply a matter of dimension. We believed that When the properties are any place in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences larger sized than that, we stated it's not enough and we supplied the Avighna. https://augustwchey.webbuzzfeed.com/39617156/helping-the-others-realize-the-advantages-of-mantra