The ISRO ICRB Recruitment 2026: 92 Scientist/Engineer Vacancies Announced - Click to Apply serves as the gateway for aspiring technical professionals. The Indian Space Research Organisation (ISRO) has announced 320 vacancies for Scientist/Engineer roles across specialized engineering streams. Preparing effectively requires a thorough understanding of the syllabus, evaluation structure, and qualification benchmarks.
For aspirants looking to gauge past difficulty levels and question distribution, you can Download ISRO Scientist Previous Year Question Papers - Click to Access. Additionally, candidates interested in compensation details can check the ISRO Scientist Salary Structure 2026 - Click to View Details.
ISRO Scientist/Engineer Overview & Exam Pattern 2026
The disciplines covered for the Scientist/Engineer roles are Mechanical, Computer Science, and Electronics engineering. Core engineering topics account for 80% of the total weightage of the written assessment.
| Conducting Body | Indian Space Research Organisation (ISRO) |
| Post Name | Scientist Engineer SC Level |
| Disciplines | Mechanical, Computer Science, and Electronics |
| Total Questions | 95 |
| Total Marks | 100 |
| Duration | 2 hours |
| Negative Marking | â…“ |
| Selection Process | Written Exam and Interview |
| Official Website | www.isro.gov.in |
Written Examination Structure
The written assessment has a total of 95 questions, 100 total marks, and a duration of 2 hours. It is divided into two sections:
| Part | Subjetcs | Questions | Marks | Duration |
|---|---|---|---|---|
| A | Engineering Discipline | 80 | 80 | 2 hours |
| B | Aptitude and Reasoning | 15 | 20 | 2 hours |
| Total | 95 | 100 |
Part A consists of 80 technical domain-specific multiple-choice questions (1 mark each) with a negative marking of 1/3 mark for each wrong answer. Part B consists of 15 objective-type questions for 20 marks on general aptitude and analytical reasoning, with no negative marking.
ISRO Scientist General Aptitude & Reasoning Syllabus
Candidates preparing for Part B should focus on the following core domains:
- Numerical reasoning
- Logical reasoning
- Diagrammatic reasoning
- Abstract reasoning
- Deductive reasoning
Selection Process and Minimum Qualifying Criteria
The selection process is a two-tier process consisting of a written competitive exam followed by a personal interview. Final merit is calculated based on a 50:50 weightage distribution between the written examination and the personal interview.
| Category | Written Exam (Each Part) | Interview | Aggregate |
|---|---|---|---|
| Unreserved Candidates | 50% | 50/100 | 60% overall |
| Reserved Candidates (PwBD only) | 40% | 40/100 | 50% Overall |
Interview Allocation of Marks
Candidates who clear the written stage are called for a personal interview. The evaluation follows a standardized distribution scheme:
Allocation of Marks in the Interview Checklists
- Technical (Academic) Knowledge: 40 marks
- General Awareness in relevance to the area of specialization (Technical): 20 marks
- Presentation/Communication Skills: 20 marks
- Comprehension: 10 marks
- Academic Credentials and Merit Criteria (Institute category, Academic Performance Standards, Institute-awarded rank): 10 marks
| Evaluation Parameter | Marks |
|---|---|
| Technical (Academic) Knowledge | 40 |
| General Awareness in relevance to the area of specialization (Technical) | 20 |
| Presentation/Communication Skills | 20 |
| Comprehension | 10 |
| Academic Credentials and Merit Criteria:
- Institute category (IITs, IISc, NIT & NIRF top 20 rankings) - Academic Performance Standards (CGPA ≥ 9 / Percentage > 85%, CGPA 7.5 - 9 / Percentage 71 - 85%, Other) - Institute-awarded rank (1 to 3) |
10 |
| Total | 100 |
Frequently Asked Questions (FAQs)
Important Links & Resources
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