New Delhi [India], July 21: Honouring the cultural and spiritual significance of the Char Dham Yatra, MMTC- PAMP, Indias only LBMA accredited Good Delivery Gold & Silver refiner and recognised as the purest precious metal brand in Asia and India, has launched a set of four (20 gram each) purest silver coins paying homage to Indias most revered pilgrimage destinations - Badrinath, Dwarka, Puri, and Rameswaram.