You can do this Shabar mantra chanting for 11, 21, 31, or 41 times, the location and time of mantra chanting needs to be exactly the same for the number of days you would like to do sadhana. You should use Rudraksha or Tulsi rosary to chant the mantra. https://vashikaran31863.educationalimpactblog.com/54285244/the-smart-trick-of-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-that-nobody-is-discussing