ISRO Scientist Selection Through CBT 2026: Official Notification OUT for 172 Posts

The Indian Space Research Organisation (ISRO) Centralised Recruitment Board (ICRB), under the Department of Space (DoS), Government of India, has officially released the ISRO Scientist Selection Through CBT 2026 notification (Advt No. ISRO:ICRB:03(EMC):2026). A total of 172 vacancies have been announced for the entry-level post of Scientist/Engineer 'SC' across Electronics, Mechanical, and Computer Science streams.

Candidates who hold a B.E./B.Tech or equivalent degree in relevant disciplines can submit their applications online via ISRO's official portal at isro.gov.in between 27 August 2026 and 16 September 2026.

ISRO Scientist Selection Through CBT 2026

The ISRO Scientist Selection Through CBT 2026 process offers engineering graduates a premier pathway into India's space program. Securing a seat requires balancing technical proficiency in core subjects with strong performance in the general aptitude section to meet the strict qualifying thresholds. Ensure all eligibility requirements are verified and submit your application well before the deadline on isro.gov.in.

ISRO Scientist Selection Through CBT 2026: Key Highlights & Dates

The official recruitment notice brings exciting career opportunities for meritorious engineering graduates to secure a Group 'A' Gazetted position in Level 10 of the Pay Matrix.

ISRO Scientist Recruitment 2026 Notification PDF

The ISRO Scientist/Engineer ‘SC’ Recruitment 2026 notification has been released by the ISRO Centralised Recruitment Board (ICRB) under Advertisement No. ISRO:ICRB:03(EMC):2026, dated August 27, 2026. The recruitment is for Scientist/Engineer ‘SC’ posts in Electronics, Mechanical and Computer Science disciplines.

ISRO Scientist Recruitment 2026 Notification PDF

ISRO Scientist Apply Online Link

The ISRO Scientist/Engineer ‘SC’ Apply Online Link 2026 has been activated for Advertisement No. ISRO:ICRB:03(EMC):2026. Eligible candidates can apply online through the official ISRO recruitment portal. The application window is open from August 27 to September 16, 2026, up to 11:55 PM.

ISRO Scientist Apply Online Link

ISRO Scientist Post-Wise Vacancy & Discipline Breakdown

The ISRO Scientist Selection Through CBT 2026 drive covers major engineering disciplines distributed across constituent ISRO Centres and the Physical Research Laboratory (PRL):

• Scientist/Engineer 'SC' (Electronics - BE001/BE001A): 99 Vacancies

• Scientist/Engineer 'SC' (Mechanical - BE002): 52 Vacancies

• Scientist/Engineer 'SC' (Computer Science - BE003): 21 Vacancies

ISRO Scientist Eligibility Criteria: Educational Qualification & Age Limit

Candidates must fulfill the minimum benchmark qualifications prior to the closing date of applications (16 September 2026):

1. Educational Qualification

• First Class B.E. / B.Tech or equivalent degree in Electronics & Communication, Mechanical, or Computer Science Engineering.

• Minimum Aggregate Marks: At least 65% aggregate marks across all semesters OR a CGPA of 6.84 out of 10.

2. Age Limit (as on 16 September 2026)

• Maximum Age: 28 Years.

• Age Relaxation: Applicable for PwBD candidates, ex-servicemen, and serving Central Government civilian employees as per Government of India guidelines.

ISRO Scientist Exam Pattern & Selection Process

The ISRO Scientist Selection Through CBT 2026 selection procedure comprises a two-tier evaluation framework:

Stage 1: Computer-Based Test (CBT) / Written Exam

The CBT is conducted over 120 minutes for a total of 100 marks, structured into two distinct sections:

• Part A (Discipline Specific): 80 Multiple Choice Questions (MCQs) for 80 marks in 90 minutes. Includes negative marking (-1/3 mark per wrong answer).

• Part B (Aptitude / Ability Test): 20 MCQs for 20 marks in 30 minutes testing Numerical, Logical, Abstract, and Deductive Reasoning. No negative marking.

Stage 2: Personal Interview

• Candidates are shortlisted for interview in a 1:5 ratio based on their performance in the CBT.

• The interview evaluates technical depth, presentation/communication skills, comprehension, general awareness, and academic credentials out of 100 marks.

Mandatory Qualifying Criteria

To qualify for final merit compilation, candidates must clear both components independently:

• CBT / Written Test: Minimum 50% in Part A (40/80 marks) AND 40% in Part B (8/20 marks).

• Interview: Minimum 50 out of 100 marks.

• Final Score Weightage: 50% weightage given to the CBT score + 50% weightage given to the Personal Interview score.

ISRO Scientist Pay Scale & Career Growth Benefits

Selected candidates receive entry into Level 10 of the 7th CPC Pay Matrix with an initial basic pay of ₹56,100/- per month. Additional allowances include:

• Dearness Allowance (DA)

• House Rent Allowance (HRA)

• Transport Allowance (TA)

• Contributory Health Service Scheme (CHSS) medical benefits

• National Pension System (NPS) coverage and subsidized canteen facilities.

How to Apply Online for ISRO Scientist CBT 2026

1. Visit the official ISRO portal at isro.gov.in and click on the Careers section.

2. Select Advt. No. ISRO:ICRB:03(EMC):2026 and register using your active email ID and mobile number.

3. Fill in your personal, educational, and branch details carefully.

4. Upload your recent photograph (100–200 KB) and signature (80–150 KB).

5. Pay the initial processing fee of ₹750/- via the Bharatkosh gateway (UR/OBC/EWS candidates are charged a net application fee of ₹250 after a ₹500 partial refund upon appearing for the CBT; SC/ST/PwBD/Female candidates receive a full ₹750 refund after attending the CBT).

6. Submit the form on or before 16 September 2026 and save a copy for future reference.