| Organization | Department & Ministry | Institution Type | State |
|---|---|---|---|
| National Test House (NTH) | Ministry of Consumer Affairs, Food & Public Distribution | — | West Bengal |
| National Textile Corporation Limited (Southern Region) | Ministry of Textiles | — | Tamil Nadu |
| National Textile Corporation Limited (Western Region) | Ministry of Textiles | — | Maharashtra |
| National Tiger Conservation Authority (NTCA) | Ministry of Environment, Forest & Climate Change (MoEFCC) | — | Delhi |
| National Transportation Planning and Research Centre KSCSTE - (??????) | — | — | Kerala |
| National Tribal Research Institute (NTRI) | Ministry of Tribal Affairs | — | Delhi |
| National Tuberculosis Institute (NTI) | Ministry of Agriculture and Farmers Welfare (MoAFW) | — | Karnataka |
| National University of Advanced Legal Studies | — | Centres of Higher Learning | Kerala |
| National Zoological Park (NZP) | Ministry of Environment, Forest & Climate Change (MoEFCC) | — | Delhi |
| NATRIP Implementation Society | — | — | Haryana |
| Nature Conservation Foundation | — | — | Karnataka |
| Nature's Essence Pvt. Ltd. | — | — | Uttarakhand |
| Naturo Food and Fruit Products Pvt. Ltd. | — | — | Karnataka |
| Nava Bharat Ventures Ltd. | — | — | Telangana |
| Naval Materials Research Laboratory (NMRL) | Ministry of Defence (MoD) | Research Institutions | Maharashtra |
| Naval Physical & Oceanographic Laboratory (NPOL) | Ministry of Defence (MoD) | Research Institutions | Kerala |
| Naval Science & Technological Laboratory (NSTL) | Ministry of Defence (MoD) | Research Institutions | Andhra Pradesh |
| Nava Nalanda Mahavihara | — | — | Bihar |
| Navanidhi Electronics Pvt. Ltd. | — | — | Telangana |
| Navinon Ltd. | — | — | Maharashtra |
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