The ISRO 21 Days Internship 2026 is one of the most prestigious summer opportunities for Indian college students who dream of working in the space and research ecosystem. Conducted under the guidance of the Indian Space Research Organisation, this internship allows students to gain hands-on exposure at various ISRO centers, including the ISRO Inertial Systems Unit (IISU).
The Summer ISRO Internship 2026 is especially popular because it aligns perfectly with college vacations (May–July) and offers a minimum duration of 21 days, extendable up to 45 days. While there is no stipend, the learning, certification, and brand value of ISRO make it highly valuable for students planning careers in engineering, science, research, or higher studies.
This article is a 100% non-copied, SEO-optimized, and student-friendly guide covering eligibility, application process, key dates, benefits, and FAQs related to the ISRO Internship 2026.
ISRO Internship 2026 Overview
The ISRO Internship 2026 is designed to introduce young minds to real-world applications of space science and technology. Selected students are placed in unclassified areas of ISRO centers where they work under experienced scientists and engineers.
At IISU, interns are usually exposed to:
- Inertial navigation systems
- Sensors and control systems
- Applied electronics and mechanical systems
- Data analysis and simulation tasks
The ISRO 21 Days Internship is ideal for students who want practical exposure beyond textbooks and classroom learning.
Who Can Apply for ISRO Internship 2026? (Eligibility Criteria)
To apply for the Summer ISRO Internship 2026, candidates must meet the following eligibility conditions:
Basic Eligibility
- Applicant must be an Indian citizen
- Must be a regular, full-time, on-campus student
Educational Qualifications
Students pursuing or enrolled in the following programs are eligible:
- BE / BTech
- ME / MTech
- BSc (Physics / Chemistry)
- MSc / Integrated MSc
- BS–MS (Physics / Chemistry)
- PhD (Science & Technology streams)
The course should be from a recognized university or institution in India or abroad.
Academic Requirement
- Minimum 60% marks or equivalent CGPA (some centers may prefer higher merit)
Important Rules
- A student is allowed only one internship per degree
- Internship is permitted only in unclassified areas
- Selection depends on facility availability and project relevance
Due to a large number of applications, not all eligible students are selected, so it’s advised to apply early and keep backup options.
ISRO Internship 2026 Duration & Internship Blocks
The duration of the ISRO 21 Days Internship 2026 is:
- Minimum: 21 days
- Maximum: 45 days
Internship Time Slots
| Internship Block | Internship Period | Last Date to Apply |
|---|---|---|
| Summer Block | May – July 2026 | 15 March 2026 |
| Winter Block | October – December 2026 | 30 September 2026 |
👉 For most students, the Summer ISRO Internship 2026 is the preferred option.
ISRO Internship 2026 Stipend Details
One of the most commonly asked questions is about stipend.
Important:
❌ No stipend, remuneration, or financial assistance is provided by IISU / ISRO.
The internship is purely learning- and experience-oriented, and students receive:
- Official ISRO Internship Completion Certificate
- Exposure to India’s top space research environment
How to Apply for ISRO Internship 2026 (Step-by-Step)
The ISRO Internship 2026 application process is simple but requires attention to detail.
Step 1: Download the Application Form
- Visit official ISRO center websites such as IISU or related ISRO portals
- Download the prescribed internship application format
Step 2: Prepare Required Documents
- Detailed biodata / resume
- Academic mark sheets
- Bonafide certificate
- No Objection Certificate (NOC)
- Area of interest and skills
- Previous projects or internships (if any)
Step 3: Get College Approval
- Application must be duly signed and stamped by the Principal / HOD
Step 4: Submit the Application
You can submit the application:
- By post to the concerned ISRO center
- Or via scanned copy by email (as mentioned in the notification)
Incomplete or late applications are rejected without consideration.
Selection Process for ISRO Internship 2026
The selection process is merit-based and project-oriented.
Key selection factors include:
- Academic performance
- Relevance of your course to ISRO projects
- Availability of guides and facilities
- Quality of application and biodata
The final decision is communicated to the college HOD / Principal, not directly to the student.
Benefits of ISRO 21 Days Internship 2026
Even without a stipend, the ISRO Internship 2026 offers massive long-term value:
- Real-world exposure to space research
- Mentorship from ISRO scientists
- Strong resume and academic profile boost
- Certificate from India’s top research organization
- Helpful for GATE, higher studies, PhD, and research careers
Many former interns report better chances in research programs and top universities after completing an ISRO internship.
Mentioning Airbus Internship 2026 (Alternative Option)
Students interested in aerospace and space technology can also explore the Airbus Internship 2026 as a complementary opportunity.
The Airbus Internship 2026:
- Offers paid internships
- Focuses on aviation, satellites, and GenAI-based engineering
- Provides global exposure and industry experience
Applying for both ISRO Internship 2026 and Airbus Internship 2026 can significantly broaden your learning and career scope.
Selection Tips for ISRO Internship 2026
To improve your chances of selection:
- Apply well before the ISRO internship 2026 last date
- Highlight skills like Python, MATLAB, data analysis, GIS, electronics
- Align your interests with ISRO’s ongoing projects
- Keep your application clear, concise, and error-free
- Get strong academic recommendations from faculty
Seats are limited, so early and focused applications matter.
How To Apply?
If you are an Interested Candidate, you can apply for the ISRO 21 Days Internship: Summer ISRO Internship 2026 For College Students | IISU Internships. Apply Here.
Final Words
The ISRO 21 Days Internship 2026 is a golden opportunity for students passionate about space science, engineering, and research. While it may not offer financial rewards, the experience, exposure, and ISRO certification make it one of the most respected internships in India.
If you’re serious about your future in science and technology, don’t miss the Summer ISRO Internship 2026—prepare early and apply smartly.
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