Although the power of Rudraksha has been known to people for a long time, it only became more popular in the late 1980s. In particular, Dr. Kahas Roy at the Institute of Technology, University of Varanasi, India. Rudraksha became even more famous after the study of scientists led by Kahas Roy. The results of this study came as a great surprise to the researchers. Because its power was greater than they thought. There is also scientific evidence for this.