कोई भी तकनीक बिना किसी वैज्ञानिक तथ्य के काम नहीं कर सकती है. This could certainly be a richly decorated chamber with cushioned seating and Mild lighting or a tempered position of repose beneath a star_-lit sky. It's not a very hard undertaking. You practice ordinary meditation or Tratak, Nyas https://tantramantraaurvigyaan.com/world-famous-aghori-baba-in-india/