You can do this Shabar mantra chanting for eleven, 21, 31, or 41 days, the put and time of mantra chanting really should be a similar for the number of times you want to do sadhana. You need to use Rudraksha or Tulsi rosary to chant the mantra. It's https://vashikaran00874.bloggerchest.com/32265461/most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-secrets