MiningHighlights of the NGJA display site at the Deyata Kirula Exhibition held from 4-10 February 2012 Posted on July 14, 2013October 23, 2019 by Dr Shihaan Larif Deyata Kirula 2012. NGJA Dr Shihaan Larif 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 2012Images of the Meeting with H.E.Dr.Samuel K.Mbambo High Commissioner of the Republic of Namibia for India & Sri Lanka and Chairman & C.E.O NGJA – held on 13th March 2012