1. IS: 505-1978, Specifications for Light Kaolin for Paper, Textile, Rubber, Insecticide, etc. Industries.
2. IS: 2840-1976, Specifications for China Clay for Ceramic Industry.
3. IS: 6988-1973, Specifications for Fine China Dinnerware.
4. IS: 2857-1976, Specifications for Earthenware Dinnerware.
5. IS: 2838-1976, Specifications for Stoneware Containers for General Purpose.