Siddh Vishnu Kavach or Narayan Kavach is the most potent protective shield prayer to Lord Vishnu. It is a spiritual armor behind which the devotee feels safe from all kinds of threats both external and internal and it brings immense peace of mind, prosperity and good health. It brings potency, vitality in life of the wearer. Vishnu grants protection, mental strength and intelligence. When the Narayana mantra recited each day, it increase bravery, balance inner energies, and improve general health.