Sadhguru: Primarily it is only one. One other one is just an issue of dimensions. We believed that If your residences are any place involving 2000-2500 sq. ft., the Bhairavi Yantra would do. For residences more substantial than that, we explained this isn't ample and we presented the Avighna. Avighna https://freekundli65318.tkzblog.com/39056615/helping-the-others-realize-the-advantages-of-mantra