You can do this Shabar mantra chanting for eleven, 21, 31, or 41 times, the position and time of mantra chanting needs to be exactly the same for the volume of days you want to do sadhana. You can utilize Rudraksha or Tulsi rosary to chant the mantra. It https://augustciezt.ziblogs.com/32454156/what-does-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-mean