gem-land-auction-kataragama-thammannawa-senukkuwa-ngja-3 Published July 14, 2013 at 1106 × 829 in The National Gem and Jewellery Authority (NGJA) earns a record income from the Gem Land Auction held in Kataragama, Thammannawa (Seenukkuwa) area on 24th February 2012 Gem Land Auction Kataragama