| Institute of Nano Science and Technology | punjab | 67 | |
| Institute Of Nuclear Medicine And Allied Sciences | delhi | 85 | |
| Institute of Pesticide Formulation Technology | haryana | 36 | |
| Institute Of Petroleum Safety, Health & Environment Management | goa | 8 | |
| Institute Of Pharmaceutical Education Boradi | maharashtra | 15 | |
| Institute of Pharmaceutical Sciences | punjab | 12 | |
| Institute Of Public Health | west bengal | 3 | |
| Institute of Rural Management | gujarat | -- | |
| Institute of Secretariat Training and Management | delhi | 9 | |
| Institute of Seismological Research | gujarat | 8 | |
| Institute Of Serology | west bengal | 3 | |
| Institutional Strengthening of Gram Panchayats Project | west bengal | 1 | |
| Instrumentation Limited | kerala | 1 | |
| Integral Coach Factory | tamil nadu | 9 | |
| Integrated Coastal And Marine Area Management Project Directorate | tamil nadu | 62 | |
| Integrated Test Range | odisha | 140 | |
| Intelligence Bureau | delhi | 4017 | |
| Intelligent Communication Systems India Limited | delhi | 403 | |
| Inter University Accelerator Centre | delhi | 9 | |
| Inter-State Council Secretariat | delhi | 3 | |
| Inter-University Center For Biomedical Research & Superspeciality Hospital | kerala | 24 | |
| Inter-University Centre for Astronomy and Astrophysics | maharashtra | 1 | |
| Inter-University Centre for Astronomy and Astrophysics | central government | 7 | |
| International Advanced Research Centre for Powder Metallurgy and New Materials | telangana | 27 | |
| International Centre for Alternative Dispute Resolution | delhi | 1 | |