You can do this Shabar mantra chanting for eleven, 21, 31, or 41 times, the spot and time of mantra chanting needs to be exactly the same for the quantity of days you wish to do sadhana. You need to use Rudraksha or Tulsi rosary to chant the mantra. https://vashikaran13228.blognody.com/33318264/the-definitive-guide-to-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra