You are able to do this Shabar mantra chanting for 11, 21, 31, or forty one times, the spot and time of mantra chanting should be a similar for the number of times you need to do sadhana. You may use Rudraksha or Tulsi rosary to chant the mantra. https://vashikaran30639.aioblogs.com/85617853/most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-secrets