मंत्र प्रयोग किसी ऐसे व्यक्ति के प्रति करें,जिसे आप जानते हों तथा जो आपसे भी परिचित हो . Apart, from what on earth is stated in this post, there is absolutely no other method or form of worship for undertaking the Mantra Sadhana.  This Black magic exorcising experiment might be https://www.youtube.com/watch?v=eeXt928hL4U