The Bureau of Indian Standards vide notification dated 25th February, 2022 has notified the revised Indian standards, for products and tests:
- Method of Test for Coal and Coke
- Methods of Test for Brown Coals and Lignites
- Leather ─ Chemical Tests ─Preparation of Chemical Test Samples
- Protective Equipment for Martial Arts
- Environmental Testing
The revised standards shall be withdrawn from 22 March 2022.