ISRO Scientist/Engineer 'SC' 2026 · Syllabus & exam pattern
ISRO Scientist/Engineer 'SC' Syllabus 2026 and Exam Pattern: Subject-wise Topics
ISRO Scientist/Engineer 'SC' selection: Part A — Area/Discipline specific (90 minutes); Part B — Aptitude/Ability tests (30 minutes); Interview (—), as per the official notice published 27 August 2026.
Subjects, number of questions, marks, duration and negative marking for every stage, as printed in the official notice.
ISRO Scientist/Engineer 'SC' exam pattern 2026
Stages of selection
- 1Written test / CBT: Part A (80 MCQs, 90 minutes) and Part B (aptitude, up to 15 MCQs, 30 minutes), 100 marks
- 2Interview: 100 marks, shortlisting in the ratio 1:5
- 3Final panel: 50% written test, 50% interview
Part A — Area/Discipline specific
90 minutes
| Subject | Questions | Marks |
|---|---|---|
| Discipline-specific MCQs | 80 | 80 |
+1 for each correct answer, 0 for unattempted, −1/3 for each wrong answer.
Part B — Aptitude/Ability tests
30 minutes
| Subject | Questions | Marks |
|---|---|---|
| Numerical, logical, diagrammatic, abstract and deductive reasoning | Maximum 15 | 20 |
No negative marking.
Interview
—
| Subject | Questions | Marks |
|---|---|---|
| Technical knowledge | — | 40 |
| Domain awareness | — | 20 |
| Presentation / communication | — | 20 |
| Comprehension | — | 10 |
| Academic achievements | — | 10 |
Final panel: 50% weightage to written test marks and 50% to interview marks.
Source: Advt No. ISRO:ICRB:03(EMC):2026 — Recruitment to the post of Scientist/Engineer 'SC' (Electronics, Mechanical, Computer Science) (published 27 August 2026). Confirm in the official notice before applying.
Syllabus: tests of each stage as printed
The tests of each stage as printed in the official notice (Advt No. ISRO:ICRB:03(EMC):2026 — Recruitment to the post of Scientist/Engineer 'SC' (Electronics, Mechanical, Computer Science), 27 August 2026), with their questions and marks. Detailed topic lists are given in the notice itself; always follow the latest notice.
- Part A — Area/Discipline specific (90 minutes): Discipline-specific MCQs (80 questions, 80 marks). +1 for each correct answer, 0 for unattempted, −1/3 for each wrong answer.
- Part B — Aptitude/Ability tests (30 minutes): Numerical, logical, diagrammatic, abstract and deductive reasoning (20 marks). No negative marking.
- Interview (—): Technical knowledge (40 marks); Domain awareness (20 marks); Presentation / communication (20 marks); Comprehension (10 marks); Academic achievements (10 marks). Final panel: 50% weightage to written test marks and 50% to interview marks.
Written test and interview
Part A is discipline-specific: 80 MCQs in 90 minutes, +1 for a correct answer, 0 for unattempted and −1/3 for a wrong answer. Part B is an aptitude/ability test of a maximum of 15 MCQs for 20 marks in 30 minutes covering numerical, logical, diagrammatic, abstract and deductive reasoning, with no negative marking. The written test totals 100 marks.
Candidates are shortlisted for interview in the ratio 1:5. The 100-mark interview covers technical knowledge (40), domain awareness (20), presentation/communication (20), comprehension (10) and academic achievements (10). The final panel gives 50% weightage to written test marks and 50% to interview marks.
Frequently asked questions
What is the ISRO Scientist/Engineer 'SC' exam pattern?
Part A — Area/Discipline specific: Discipline-specific MCQs (90 minutes). +1 for each correct answer, 0 for unattempted, −1/3 for each wrong answer. Part B — Aptitude/Ability tests: Numerical, logical, diagrammatic, abstract and deductive reasoning (30 minutes). No negative marking. Interview: Technical knowledge, Domain awareness, Presentation / communication, Comprehension, Academic achievements (—). Final panel: 50% weightage to written test marks and 50% to interview marks.
Is there negative marking in the ISRO ICRB written test?
Yes, in Part A: −1/3 for each wrong answer. Part B has no negative marking.