TIFR (Tata Institute of Fundamental Research)
TIFR GS CS Exam Pattern 2027 — Complete Question Paper Structure
Understand the marking scheme, section weights, question distribution and time strategy for Tata Institute of Fundamental Research Graduate School — Computer Science
Exam Pattern at a Glance
Exam Mode
Online (CBT)
Language
English & Hindi
Negative Marking
-1
Sections
2
Section-wise Pattern
| Subject / Section | Questions | Marks per Q | Total Marks | Time (approx) |
|---|---|---|---|---|
| Computer Science | 25 | +3 | 75 | 90 min |
| Mathematics | 25 | +3 | 75 | 90 min |
| Total | 50 | — | 150 | 180 min |
Time is indicative. Candidates can attempt sections in any order in CBT mode.
Marking Scheme
Correct Answer
+3
marks
Wrong Answer
-1
marks
Unattempted
0
marks
Marking Scheme
+3 for correct, -1 for incorrect
Example Calculation:
If you attempt 30 questions, get 23 correct and 7 wrong:
Score = 23 × 3 − 7 × 1 = 62 marks
Skip questions you're unsure about — negative marking can reduce your score significantly.
Time Management Strategy
You have approximately 216.0 seconds per question on average.
| Phase | Time Budget | Target Questions |
|---|---|---|
| First pass (attempt easy Qs) | 108 min | 35 Qs |
| Second pass (attempt medium) | 54 min | 10 Qs |
| Review & guess | 18 min | Remaining |
Year-wise Pattern Changes
| Year | Questions | Duration | Key Change |
|---|---|---|---|
| 2025 | 50 | 180 min | Current pattern |
| 2024 | 50 | 180 min | No major change |
| 2023 | 50 | 180 min | Section added |
Pattern history is approximate. Always check official notification.
Difficulty Distribution
Approximate question count: ~10 Easy | ~20 Medium | ~20 Hard
Based on difficulty level: very-hard. Actual distribution may vary.
Frequently Asked Questions
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