Working of diamonds and other precious and semi-precious stones including the working of industrial quality stones and synthetic or reconstructed precious or semi-precious stones
Preparation and spinning of jute, mesta and other natural fibers including blended natural fibers n.e.c. *Blended yarn/fabrics means, yarn/fabrics containing more than 50% of one fiber.
Operation of web sites that use a search engine to generate and maintain extensive databases of internet addresses and content in an easily searchable format