You are able to do this Shabar mantra chanting for 11, 21, 31, or forty one times, the spot and time of mantra chanting needs to be the exact same for the number of days you ought to do sadhana. You should use Rudraksha or Tulsi rosary to chant https://directoryforrank.com/listings13059240/getting-my-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-to-work