| National Institute Of Tuberculosis And Respiratory Diseases | delhi | 50 | |
| National Institute Of Unani Medicine | karnataka | 18 | |
| National Institute of Urban Affairs | delhi | 13 | |
| National Institute Of Veterinary Epidemiology And Disease Informatics | karnataka | 27 | |
| National Institute of Virology | maharashtra | 47 | |
| National Institute of Watersports | goa | 4 | |
| National Instructional Media Institute | tamil nadu | 13 | |
| National Insurance Academy | maharashtra | 4 | |
| National Insurance Company Limited | maharashtra | 3 | |
| National Insurance Company Limited | west bengal | 1606 | |
| National Investigation Agency | delhi | 482 | |
| National Judicial Academy | madhya pradesh | 15 | |
| National Jute Board | west bengal | 3 | |
| National Jute Manufactures Corporation Limited | west bengal | 6 | |
| National Knowledge Commission, Archival Website | delhi | 1 | |
| National Law School of India University | karnataka | 17 | |
| National Law University | delhi | 9 | |
| National Legal Services Authority | central government | 4 | |
| National Leprosy Eradication Programme | central government | 1 | |
| National Medical Library | delhi | 5 | |
| National Medicinal Plants Board | delhi | 6 | |
| National Metallurgical Laboratory | jharkhand | 13 | |
| National Mineral Development Corporation Limited | andhra pradesh | 5 | |
| National Minorities Development and Finance Corporation | delhi | 9 | |
| National Mission For Empowerment Of Women | delhi | 5 | |