You can do this Shabar mantra chanting for eleven, 21, 31, or 41 days, the spot and time of mantra chanting must be the same for the number of times you should do sadhana. You should utilize Rudraksha or Tulsi rosary to chant the mantra. It is actually obligatory https://shabar27159.blogkoo.com/most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-no-further-a-mystery-51917009