National Centre for Hallmarking, popularly known as NCH was established in 2006 with an aim to... serve Jewellery Industry to maintain and upgrade its quality. NCH aligns with 'Bureau of Indian Standards' working under 'Ministry of Consumer Affairs, Food and Public Distribution' for hallmarking of gold jewellery and artifacts. NCH has established a Management System for quality, administrative and technical operations conforming to IS 15820:2009. Read full description