Sadhguru: Essentially it is just one. Another just one is simply an issue of dimension. We estimated that Should the households are any where among 2000-2500 sq. ft., the Bhairavi Yantra would do. For homes much larger than that, we explained this isn't ample and we made available the Avighna. https://landenxlylw.kylieblog.com/39813803/sadhna-an-overview