| IS No. | Title |
| IS 2491 : 2013 | Food hygiene - General principles - Code of practice (third revision) |
| IS 2860 : 1964 | Methods of sampling and test for processed fruits and vegetables |
| IS 3611 : 2000/ISO 1839 : 1980 | Tea - Sampling (second revision) |
| IS 11123 : 1984 | Method for determination of copper by atomic absorption spectrophotometry |
| IS 11124 : 1984 | Method for atomic absorption spectrophotometric determination of arsenic |
| IS 12041 : 1987 | Method for the determination of mercury by atomic absorption spectrophotometer |
| IS 12074 : 1987 | Method for determination of lead by atomic absorption spectrophotometer |
| IS 3633 : 2003 | Black tea - Specification (second revision) |
| IS 13852 : 1994/ISO 1572 : 1980 | Tea - Preparation of ground sample of known dry matter content |
| IS 13853 : 1994/ISO 1573 : 1980 | Tea - Determination of loss in mass at 103 °C |
| IS 13854 : 1994/ISO 1575 : 1987 | Tea - Determination of total ash |
| IS 13855 : 1993/ISO 1576 : 1988 | Tea - Determination of water-soluble ash and waterinsoluble ash |
| IS 13856 : 1993/ISO 1578 : 1975 | Tea - Determination of alkalinity of water-soluble ash |
| IS 13857 : 1993/ISO 1577 : 1987 | Tea - Determination of acid-insoluble ash |
| IS 13862 : 1999/ISO 9768 : 1994 | Tea - Determination of water extract (first revision) |
| IS 15642 (Part 1) : 2006 | Quick methods of adulterants/ contaminants in common food products Part 1 Physical methods |
| IS 16041 : 2012/ISO 15598 : 1999 | Tea - Determination of crude fibre content |
| IS 17804 (Part 2) : 2022/ISO 14502-2 : 2005 | Determination of substances characteristic of green and black tea: Part 2 Content of catechins in green tea - Method using high-performance liquid chromatography |