You are able to do this Shabar mantra chanting for eleven, 21, 31, or 41 days, the location and time of mantra chanting need to be the same for the amount of times you wish to do sadhana. You can utilize Rudraksha or Tulsi rosary to chant the mantra. https://rivernjcvn.blogars.com/31394956/the-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-diaries