Om Namah Shivaya is at the guts of the Vedas and Tantras (historic Scriptures) and finds its mention while in the Yajurveda in the Shri Rudram hymn. Perceived for being most productive if, in the exercise of Japa Yoga, where by the mantra is repeated verbally or mentally 108 instances https://seo-a1directory.com/listings590303/not-known-facts-about-10-most-powerful-mantra