You can do this Shabar mantra chanting for 11, 21, 31, or forty one times, the spot and time of mantra chanting need to be exactly the same for the number of days you would like to do sadhana. You need to use Rudraksha or Tulsi rosary to chant https://vashikaran62840.blogolize.com/the-basic-principles-of-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-71525682