You are able to do this Shabar mantra chanting for 11, 21, 31, or 41 times, the position and time of mantra chanting needs to be the identical for the number of times you ought to do sadhana. You can use Rudraksha or Tulsi rosary to chant the mantra. https://kylerdgklm.blogrelation.com/38513082/the-basic-principles-of-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra