ISRO IISU Internship 2026 is a short-duration academic internship program conducted by the ISRO Inertial Systems Unit (IISU), Thiruvananthapuram, for students who are currently pursuing regular on-campus degree programs in science and technology disciplines relevant to ISRO programs.
The internship is offered only in the unclassified areas of IISU / ISRO and is governed by clearly defined academic, security, and administrative conditions. Candidates is restricted to Indian citizens who meet the prescribed academic performance criteria and semester completion requirements.
The IISU internship does not provide any stipend, remuneration, or financial assistance. Incomplete or late applications are rejected. Acceptance or rejection decisions are communicated only to the applicant’s institution.
| Quick Overview of ISRO IISU Internship 2026 | |
|---|---|
| Host organisation | ISRO Inertial Systems Unit (IISU), Management & Information Systems Area (MISA), Programme Planning and Evaluation Group (PPEG) |
| Location | Thiruvananthapuram – 695013 |
| Internship access area | Only in unclassified areas of IISU/ISRO |
| Duration | Minimum 21 days and maximum 45 days |
| Internship blocks | May–July, October–December |
| Application deadlines (application must be received by IISU) | 15 March (for May–July block), 30 September (for October–December block) |
| Stipend / financial assistance | No stipend, remuneration, or financial assistance |
| Core eligibility highlights | Indian citizen; relevant Science/Technology discipline; minimum 60% or CGPA 6.32/10; semester/coursework completion as prescribed; only one internship per degree |
| How to submit | By post: Group Head, PPEG/MISA, ISRO Inertial Systems Unit (IISU), Vattiyoorkavu P.O, Opposite CPT, Thiruvananthapuram – 695013 By email (scanned copy): iisu_online_appln@vssc[dot]gov[dot]in |
| Selection communication | Acceptance/rejection is communicated to the HOD/Principal of the applicant’s institution |
Eligibility Criteria for IISU Internship
IISU internship is open only to students who meet all eligibility conditions specified by the ISRO official website.
- The applicant must be a citizen of India.
- The student must be currently pursuing a regular on-campus program.
- Only disciplines in Science or Technology relevant to ISRO programs are considered.
- The internship is permitted only once per degree.
| Eligibility Parameter | Requirement |
|---|---|
| Eligible Academic Programmes |
BE / BTech ME / MTech MSc Integrated MSc PhD BSc (Physics or Chemistry) BS–MS (Physics or Chemistry) |
| Minimum Academic Performance |
Aggregate marks of 60%, or CGPA 6.32 on a 10-point scale |
| Semester / Qualification Completion |
BE / BTech / BSc / Integrated MSc / BS–MS: completion of 4th semester ME / MTech / MSc: completion of 1st semester PhD: coursework completed |
Related : ISRO URSC Internship2026
Internship Duration and Available Blocks
IISU internship is offered for minimum 21 days to maximum 45 days.
Applicants must choose one of the following internship blocks:
| Internship Block | Internship Period |
|---|---|
| Block 1 | May to July |
| Block 2 | October to December |
The internship is conducted only in the unclassified areas of IISU / ISRO.
Related : Indian Academy of Sciences – SRFP 2026
How to Apply for IISU Internship 2026
Applicants must submit the internship application only in the prescribed IISU format, duly completed and approved by the competent authority of their institution. Applications that are incomplete, unsigned, or received after the deadline are rejected.
Step 1: Fill the IISU Internship Application Form
- Download and fill the official IISU internship application form.
- Select the appropriate internship block (May–July or October–December).
- Provide accurate personal, academic, and course-related details.
Step 2: Obtain Institutional Approval
- The application must be duly approved and signed by the Principal or Head of Department (HOD).
- The declaration section must be signed by both the student and the institutional authority.
Step 3: Attach Required Documents
- Completed IISU application form
- Detailed biodata including educational qualifications, skills, and prior internships or projects (if any)
Step 4: Submit the Application
The completed application must be submitted using one of the following modes:
- By Post:
Group Head, PPEG/MISA,
ISRO Inertial Systems Unit (IISU),
Vattiyoorkavu P.O, Opposite CPT,
Thiruvananthapuram – 695013 - By Email (scanned copy):
iisu_online_appln@vssc.gov.in
Step 5: Ensure Timely Receipt
- The application must be received by IISU on or before the specified deadline for the selected internship block.
- Late applications are not considered.
The decision on acceptance or rejection of the application is communicated only to the HOD or Principal of the applicant’s institution.
Important Dates
The completed internship application must be received by IISU on or before the respective deadline.
| Internship Block | Last Date to Receive Application |
|---|---|
| May – July | 15 March |
| October – December | 30 September |
Applications received after the due date are rejected without consideration.
Related : National Green Tribunal Internship 2026
Selection Process
The selection of interns is entirely at the discretion of the ISRO Inertial Systems Unit.
- Selection depends on facility availability at IISU.
- The number of interns may vary based on infrastructure constraints.
- Meeting eligibility conditions does not guarantee selection.
- IISU reserves the right to accept or reject any application.
The decision regarding acceptance or rejection is communicated to the Principal or HOD of the applicant’s institution.
| IIT Gandhinagar Summer Internship 2026 | IIT Jammu Summer Internship 2026 |
| IIT Kharagpur Summer Internship 2026 | IIT Dharwad Summer Internship 2026 |
Frequently Asked Questions
đź”˝ Is the IISU internship paid?
No. IISU / ISRO does not provide any stipend, remuneration, or financial assistance during the internship period.
đź”˝ Can a student apply for more than one IISU internship?
No. A student is permitted to undertake only one IISU internship per degree.
đź”˝ Where is the internship conducted?
The internship is conducted only in the unclassified areas of ISRO Inertial Systems Unit (IISU).
đź”˝ How is selection communicated?
The acceptance or rejection decision is communicated to the HOD or Principal of the applicant’s college.
đź”˝ What happens if internship rules are violated?
Any violation of IISU or ISRO rules and security norms can result in immediate termination of the internship.


