You can do this Shabar mantra chanting for eleven, 21, 31, or 41 times, the spot and time of mantra chanting should be a similar for the amount of days you want to do sadhana. You can utilize Rudraksha or Tulsi rosary to chant the mantra. It is obligatory https://felixottas.thekatyblog.com/31290253/most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-secrets