Evidence found at குருக்ஷேத்ரா

Evidence can be found today in a city near Kurukestra where a 3 square mile location has been sectioned off due to radioactivity from the atomic weaponry. This famous battle is where Krishna spoke the Bhagavad-Gita to Arjuna.
Hans Jenny: did experiments with mantras and particularly with the mantra "OM". By producing this sound Jenny was able to manifest the Sri-Yantra, which is a circular shape with triangular sapes inside the circle.When Dr. Jenny experimented with sounds of other languages, no results were produced.