| Organization | Department & Ministry | Institution Type | State |
|---|---|---|---|
| Raman Research Institute (RRI), Bengaluru | Ministry of Science & Technology (MoST) | Research Institutions | Karnataka |
| Regional Centre for Biotechnology (RCB) | Ministry of Science & Technology (MoST) | Research Institutions | Haryana |
| Regional Medical Research Centre (RMRCNE), Dibrugarh | Ministry of Health and Family Welfare (MoHFW) | Research Institutions | Assam |
| Research Centre Imarat (RCI) | Ministry of Defence (MoD) | Research Institutions | Telangana |
| Research & Development Establishment (Engineers) [R&DE(Engrs)] | Ministry of Defence (MoD) | Research Institutions | Maharashtra |
| Saha Institute of Nuclear Physics (SINP) | Ministry of Science & Technology (MoST) | Research Institutions | West Bengal |
| Sardar Swaran Singh National Institute of Bio- Energy (SSS-NIBE), Punjab | Ministry of New and Renewable Energy (MNRE) | Research Institutions | Punjab |
| Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota | Ministry of Science & Technology (MoST) | Research Institutions | Andhra Pradesh |
| Scientific Analysis Group (SAG) | Ministry of Defence (MoD) | Research Institutions | Delhi |
| Semi-Conductor Laboratory (SCL), Punjab | Ministry of Science & Technology (MoST) | Research Institutions | Punjab |
| S N Bose National for Basic Sciences (SNBNCBS), Kolkata | Ministry of Science & Technology (MoST) | Research Institutions | West Bengal |
| Society for Applied Microwave Electronics Engineering & Research (SAMEER), Maharashtra | Ministry of Electronics & Info. Tech (MeitY) | Research Institutions | Maharashtra |
| Software Technology Parks of India (STPI), Uttar Pradesh | Ministry of Electronics & Info. Tech (MeitY) | Research Institutions | Uttar Pradesh |
| Solar Energy Corporation of India (SECI), New Delhi | Ministry of New and Renewable Energy (MNRE) | Research Institutions | Delhi |
| Solid State Physics Laboratory (SSPL) | Ministry of Defence (MoD) | Research Institutions | Delhi |
|
Space Applications Centre (SAC), Ahmedabad
Space Applications Centre (SAC) |
Ministry of Science & Technology (MoST) | Research Institutions | Gujarat |
| Sree Chitra Tirunal Institute for Medical Science & Technology (SCTIMST), Thiruvanathapuram | Ministry of Science & Technology (MoST) | Research Institutions | Kerala |
| Standardisation Testing and Quality Certification (STQC), New Delhi | Ministry of Electronics & Info. Tech (MeitY) | Research Institutions | Delhi |
| Tata Institute of Fundamental Research (TIFR) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |
| Tata Memorial Centre (TMC) | Ministry of Science & Technology (MoST) | Research Institutions | Maharashtra |