Slide 11 Presented by – Mr.Upali Nandalal Gemmologist Slide 2 Historical background of Padmaraga The name derives from the Sinhalese word for Lotus blossom, from time to…
Ministry of Enterprise Development and Investment Promotion Colour Balance in Padmaraga 1 Presented by â Mr.Upali Nandalal Gemmologist Historical background of Padmaraga…