| S.No. | IS Number | IS Title | Reaffirmation Year | Category | Document | Comment |
|---|---|---|---|---|---|---|
| 1 | IS 15442 : 2004 | Parameters for environmental impact assessment of water resources projects | 2020 | Code of Practice | Download | |
| 2 | IS 15845 : 2009 | Environment management plan for hydropower/irrigation/flood control/ multipurpose river valley projects | 2024 | Code of Practice | Download |