| Organization | Department & Ministry | Institution Type | State |
|---|---|---|---|
| Advanced Centre for Energetic Materials (ACEM) | Ministry of Defence (MoD) | Research Institutions | Maharashtra |
| Advanced Systems Laboratory (ASL) | Ministry of Defence (MoD) | Research Institutions | Telangana |
| Aerial Delivery Research and Development Establishment (ADRDE) | Ministry of Defence (MoD) | Research Institutions | Uttar Pradesh |
| Aeronautical Development Agency (ADA) | Ministry of Defence (MoD) | Research Institutions | Karnataka |
| Aeronautical Development Establishment (ADE) | Ministry of Defence (MoD) | Research Institutions | Karnataka |
|
Agharkar Research Institute (ARI), Pune
Agharkar Research Institute (ARI) |
Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Antrix Corporation Limited (ACL), Bengaluru | Ministry of Science & Technology (MoST) | Research Institutions | Karnataka |
| Armament Research & Development Establishment (ARDE) | Ministry of Defence (MoD) | Research Institutions | Maharashtra |
| Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital | Ministry of Science & Technology (MoST) | Research Institutions | Uttarakhand |
| Atomic Energy Education Society (AEES) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Atomic Minerals Directorate (AMD) for Exploration and Research | Ministry of Science & Technology (MoST) | Research Institutions | Telangana |
| Bhabha Atomic Research Centre (BARC) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Bharatiya Nabhikiya Vidyut Nigam Ltd (BHAVINI) | Ministry of Science & Technology (MoST) | Research Institutions | Tamil Nadu |
| Birbal Sahni Institute of Palaeosciences (BSIP), Lucknow | Ministry of Science & Technology (MoST) | Research Institutions | Uttar Pradesh |
| Board of Radiation and Isotope Technology (BRIT) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Board of Research in Nuclear Sciences (BRNS) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Center of Innovative and Applied Bioprocessing (CIAB) (formerly, Bio-Processing Unit), Mohali | Ministry of Science & Technology (MoST) | Research Institutions | Punjab |
| Central Board of Secondary Education (CBSE) | — | Research Institutions | Delhi |
| Central Institute on Fisheries Education (ICAR-CIFE) | — | Research Institutions | Maharashtra |
| Central Tibetan Schools Administration (CTSA) | — | Research Institutions | Himachal Pradesh |
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