ISRO (Indian Space Research Organisation)
ISRO Technical Assistant Exam Pattern 2027 — Complete Question Paper Structure
Understand the marking scheme, section weights, question distribution and time strategy for Indian Space Research Organisation Technical Assistant
Exam Pattern at a Glance
Exam Mode
Online (CBT)
Language
English & Hindi
Negative Marking
None
Sections
4
Section-wise Pattern
| Subject / Section | Questions | Marks per Q | Total Marks | Time (approx) |
|---|---|---|---|---|
| Technical Subject | 20 | +1 | 20 | 23 min |
| General Aptitude | 20 | +1 | 20 | 23 min |
| Reasoning | 20 | +1 | 20 | 23 min |
| English | 20 | +1 | 20 | 23 min |
| Total | 80 | — | 80 | 90 min |
Time is indicative. Candidates can attempt sections in any order in CBT mode.
Marking Scheme
Correct Answer
+1
marks
Wrong Answer
None
marks
Unattempted
0
marks
Marking Scheme
+1 / 0
Example Calculation:
If you attempt 48 questions, get 36 correct and 12 wrong:
Score = 36 × 1 = 36 marks
Skip questions you're unsure about — negative marking can reduce your score significantly.
Time Management Strategy
You have approximately 67.5 seconds per question on average.
| Phase | Time Budget | Target Questions |
|---|---|---|
| First pass (attempt easy Qs) | 54 min | 56 Qs |
| Second pass (attempt medium) | 27 min | 16 Qs |
| Review & guess | 9 min | Remaining |
Year-wise Pattern Changes
| Year | Questions | Duration | Key Change |
|---|---|---|---|
| 2025 | 80 | 90 min | Current pattern |
| 2024 | 80 | 90 min | No major change |
| 2023 | 80 | 90 min | Section added |
Pattern history is approximate. Always check official notification.
Difficulty Distribution
Approximate question count: ~32 Easy | ~36 Medium | ~12 Hard
Based on difficulty level: easy. Actual distribution may vary.
Frequently Asked Questions
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