ISRO Fellowship 2026:
Application, Centres & Clearance Guide
The Indian Space Research Organisation (ISRO) is a national sovereignty asset, not a conventional research lab.
Applying for the ISRO Fellowship 2026 requires navigating government security protocols, centre-specific application channels, and clearance timelines that are fundamentally different from any academic institution. There is no single "ISRO fellowship portal"—each major ISRO centre operates semi-independently.
The ISRO Centre Ecosystem
Each ISRO centre has a specific technical mandate. Your choice should align with your core engineering or science discipline.
- VSSC (Thiruvananthapuram): Launch vehicle design and rocket motor testing. The heart of Chandrayaan development.
- SAC (Ahmedabad): Satellite payloads and GIS data processing. Highly suited for CSE/ECE candidates.
- URSC (Bangalore): Satellite bus design and spacecraft assembly & integration.
- IIST: The Indian Institute of Space Science and Technology—operates separate fellowships for non-IIST students.
Eligibility Matrix 2026
Security & Citizenship Protocol
ISRO facilities are restricted to Indian Citizens only. Security clearance typically takes 4-6 weeks. All interns must undergo background vetting and adhere to strict non-disclosure and photography restrictions upon entry.
Strategic Strongholds
- LPSC: Liquid Propulsion Systems Centre—critical for cryogenic engine research.
- NRSC: National Remote Sensing Centre—the primary hub for satellite image processing and ML.
- SDSC-SHAR: Satish Dhawan Space Centre—India's primary spaceport.
Access Strategy
- Direct Scientist Outreach: Direct cold email to scientists (found via ResearchGate) is often more effective than formal H.R. letters.
- Space-Adjacent Projects: Highlight orbital mechanics, antenna designs, or image processing pipelines in your portfolio.
- Early NOC Submission: Submit your formal NOC at least 60 days before the summer break to allow for government clearance windows.