You are able to do this Shabar mantra chanting for 11, 21, 31, or forty one times, the position and time of mantra chanting should be exactly the same for the volume of times you need to do sadhana. You can use Rudraksha or Tulsi rosary to chant the https://mantra59382.blogzet.com/considerations-to-know-about-most-powerful-sarv-karya-sidh-shabar-mantra-karya-siddhi-shabar-mantra-most-powerful-shabar-mantra-47212964