| International Centre For Drinking Water Quality | delhi | 4 | |
| International Centre for Environment Audit and Sustainable Development | rajasthan | 2 | |
| International Centre For Genetic Engineering And Biotechnology | delhi | -- | |
| International Institute for Population Sciences | maharashtra | 230 | |
| International Institute for Population Sciences | central government | 2 | |
| International Institute of Information Technology | telangana | 17 | |
| International Institute of Information Technology | odisha | 2 | |
| International Relations Division, National Council Of Educational Research And Traning | delhi | 1 | |
| Investor Education And Protection Fund Authority | delhi | 12 | |
| Ircon Infrastructure & Services Limited | delhi | 101 | |
| IRCON International Limited | delhi | 1261 | |
| IRCTC Indian Railways | delhi | 35 | |
| Islamic University of Science & Technology | jammu kashmir | 196 | |
| Islands Integrated Development Corporation Limited | andaman nicobar islands | 4 | |
| ITI Limited | karnataka | 17 | |
| ITI Limited | kerala | 11 | |
| ITI Limited | uttar pradesh | 81 | |