Sadhguru: Effectively it is just one. Another just one is just a matter of measurement. We believed that When the properties are any where in between 2000-2500 sq. ft., the Bhairavi Yantra would do. For properties much larger than that, we stated it's not enough and we provided the Avighna. https://charliesundr.newbigblog.com/45850072/the-best-side-of-yantra