ISRO Assistant Recruitment 2026: Exam Date, Eligibility, Vacancies, Application & Exam Pattern

ISRO Assistant Recruitment 2026: The Indian Space Research Organisation (ISRO), through the ISRO Centralised Recruitment Board (ICRB), has invited online applications for the recruitment of Assistants, Junior Personal Assistants (JPA), Upper Division Clerks (UDC) and Stenographers in ISRO Centres, the Department of Space Branch Secretariat and autonomous institutions under the Department of Space.

The recruitment advertisement was issued on 27 July 2026. Online registration started on 27 July 2026 and the last date to submit the application is 16 August 2026.

Important Update: The tentative date of the Written Test/Computer Based Test (CBT) is 21 September 2026, as provided for this recruitment update.

ISRO Assistant Recruitment 2026 – Overview

The application window is available from 27 July 2026 at 10:00 AM to 16 August 2026 at 11:55 PM.

ISRO Recruitment 2026 Vacancy Details

The advertisement covers several posts across ISRO Centres and autonomous institutions of the Department of Space.

The vacancy distribution includes categories such as UR, OBC, SC, ST and EWS, along with provisions for PwBD and Ex-Servicemen as specified in the advertisement.

Note: ISRO/ICRB reserves the right to increase or decrease the number of vacancies and also reserves the right not to fill posts if required.

ISRO Assistant Recruitment 2026 Eligibility

Educational Qualification

For Assistant and Upper Division Clerk posts, candidates should have:

• Graduation from a recognised University.
• Minimum 60% marks or 6.32 CGPA on a 10-point scale.
• Graduation must have been completed within the stipulated duration prescribed by the University.
• Proficiency in the use of computers.

For Junior Personal Assistant and Stenographer posts, candidates require:

• Graduation with minimum 60% marks or 6.32 CGPA on a 10-point scale, OR
• Diploma in Commercial/Secretarial Practice with minimum 60% marks or 6.32 CGPA.
• Proficiency in computers.
• For the relevant JPA/Stenographer qualification route, one year of experience as Steno-Typist/Stenographer and a minimum English stenography speed of 60 words per minute are prescribed.

Quick Eligibility Table

ISRO Assistant Recruitment 2026 Age Limit

The maximum age is 28 years as on 16 August 2026.

Age relaxation is applicable to eligible reserved and other categories according to Government of India rules.

The advertisement specifies the relevant birth-date criteria and age relaxation provisions.

ISRO Assistant Recruitment 2026 Important Dates

The official advertisement confirms 27 July 2026 as the opening date and 16 August 2026 as the closing date for online registration.

ISRO Assistant Exam Date 2026

The tentative date of the Written Test/CBT is 21 September 2026.

Candidates should regularly check the ISRO website for the latest information regarding the examination, hall ticket and recruitment status.

Hall-ticket/call-letter information for the Written Test/CBT and Skill Test will be communicated through the registered email ID/SMS, and a separate hard copy will not be sent.

ISRO Assistant Exam Pattern 2026

For Assistant and UDC, the written examination consists of 200 objective-type questions for 200 marks.

The examination duration is 150 minutes, with +1 mark for a correct answer and -0.25 mark for an incorrect answer.

Important Subjects

General English

• Grammar
• Vocabulary
• Correct usage of words
• Idioms and phrases
• Language comprehension

Quantitative Aptitude

• Number System
• Percentages
• Profit and Loss
• Ratio and Proportion
• Average
• Simple and Compound Interest
• Time and Work
• Time and Distance
• Geometry
• Mensuration
• Algebra
• Statistics
• Data Interpretation

Reasoning

• Analogy
• Coding-Decoding
• Number Series
• Venn Diagrams
• Sitting Arrangement
• Ranking
• Directions
• Calendar
• Clock
• Mirror and Water Images
• Logical reasoning

General Knowledge

• Current Affairs
• History
• Geography
• Science
• Indian Polity
• Economy
• Culture

These topics are based on the indicative syllabus provided in the official advertisement.

Qualifying Marks in ISRO Assistant Exam

The advertisement specifies:

Candidates should therefore prepare for all four sections, rather than concentrating on only one subject.

ISRO Recruitment 2026 Application Fee

Candidates should carefully understand the difference between the application fee and processing fee.

The advertisement states that candidates initially pay the applicable processing fee, while the processing fee is refunded to eligible candidates who appear for the Written Test/CBT, subject to the conditions specified in the notification.

Women, SC/ST, PwBD and Ex-Servicemen candidates are eligible for full refund of the applicable processing fee subject to the conditions in the notification.

Important: Candidates who do not appear in the Written Test/CBT will not be eligible for the processing-fee refund.

ISRO Assistant Recruitment 2026 Selection Process

The recruitment process includes:

Online Application → Screening → Written Test/CBT → Skill Test → Final Selection

The written examination is objective type. Candidates who are screened in will receive information regarding the Written Test/CBT and Skill Test through their registered contact details.

For candidates attending the Skill Test, the advertisement also provides for reimbursement of to-and-fro second-class railway fare by the shortest route, subject to the stated conditions.

ISRO Assistant Recruitment 2026 Exam Centres

The Written Test is proposed to be conducted at 38 venues, including:

• Hyderabad
• Bengaluru
• Chennai
• Vijayawada
• Visakhapatnam
• Delhi
• Mumbai
• Pune
• Kolkata
• Ahmedabad
• Thiruvananthapuram
• Lucknow
• Jaipur
• Patna
• Bhopal
• Bhubaneswar
• Chandigarh/Mohali
• Dehradun
• Gurugram
• Guwahati
• Indore
• Jammu
• Jodhpur
• Kanpur
• Kochi/Ernakulam
• Mangaluru
• Mysuru
• Nagpur
• Raipur
• Ranchi
• Shillong
• Tiruchirapalli
• Varanasi
• and other notified locations.

ISRO/ICRB reserves the right to change or cancel an examination venue and allot another centre if required.

How to Apply for ISRO Assistant Recruitment 2026?

Candidates should:

1. Visit the official ISRO website.
2. Open the ICRB recruitment section.
3. Register using the required details.
4. Select the eligible post/zone.
5. Complete the online application form.
6. Upload the required photograph, signature and applicable certificates.
7. Pay the applicable processing/application fee through the prescribed online payment gateway.
8. Submit the application.
9. Save the Registration Number for future reference.
10. Keep a copy of the submitted application and payment details.

The application is online only and the registration number should be preserved carefully.

Documents Required

Candidates should keep the following ready:

The notification specifies separate size and format requirements for photograph and signature uploads, so candidates should follow the advertisement carefully before uploading.

ISRO Assistant Recruitment 2026 Preparation Tips

With the tentative examination date of 21 September 2026, candidates should begin preparation immediately.

1. Focus on all four sections

For Assistant/UDC candidates, English, Quantitative Aptitude, Reasoning and General Knowledge each carry 50 questions.

2. Practise with the negative marking

Since the examination follows +1/-0.25 marking, candidates should avoid unnecessary guessing.

3. Take full-length mock tests

Practise completing 200 questions within the 150-minute examination period.

4. Revise current affairs

General Knowledge includes current affairs of national and international importance, along with History, Geography, Science, Polity and Economy.

5. Give special attention to mathematics and reasoning

Regular practice can improve speed and accuracy in these sections.

Important Notice for Applicants

Candidates should not wait until the final day to submit their application. The official closing date is 16 August 2026 at 11:55 PM.

Applicants must also provide a valid email ID and mobile number because examination and skill-test communications are sent electronically.

ISRO Assistant Recruitment 2026 – Key Points at a Glance

Final Note

The ISRO Assistant Recruitment 2026 is an important opportunity for graduates seeking government employment in the space sector. Candidates interested in Assistant, UDC, JPA and Stenographer positions should complete the application before the deadline and use the period before the tentative 21 September 2026 Written Test/CBT for systematic preparation.

Disclaimer: The information above is prepared from the ISRO ICRB recruitment advertisement supplied for this post. Candidates should check the official ISRO website for subsequent updates, changes to the examination schedule, vacancies, examination centres or recruitment process. The advertisement itself directs candidates to visit the ISRO website for the latest application-status updates.

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