You can do this Shabar mantra chanting for 11, 21, 31, or 41 times, the area and time of mantra chanting really should be the same for the volume of times you want to do sadhana. You need to use Rudraksha or Tulsi rosary to chant the mantra. It's https://baglamukhi40628.blogpostie.com/54072644/details-fiction-and-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra