You are able to do this Shabar mantra chanting for eleven, 21, 31, or 41 times, the put and time of mantra chanting needs to be the same for the number of times you want to do sadhana. You may use Rudraksha or Tulsi rosary to chant the mantra. https://vashikaran63951.newbigblog.com/38493195/not-known-facts-about-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra