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Union Public Service Commission (UPSC)

UPSC Central Health Service Exam Pattern 2027 — Complete Question Paper Structure

Understand the marking scheme, section weights, question distribution and time strategy for UPSC Central Health Service (CHS) Exam for Medical Officers

Total Questions100
Duration120 min
Total Marks100

Exam Pattern at a Glance

Exam Mode

Online (CBT)

Language

English & Hindi

Negative Marking

-0.33

Sections

3

Section-wise Pattern

Subject / SectionQuestionsMarks per QTotal MarksTime (approx)
Clinical Medicine33+13340 min
Public Health33+13340 min
Community Medicine34+13440 min
Total100100120 min

Time is indicative. Candidates can attempt sections in any order in CBT mode.

Marking Scheme

Correct Answer

+1

marks

Wrong Answer

-0.33

marks

Unattempted

0

marks

Marking Scheme

+1 for correct, -0.33 negative marking

Example Calculation:

If you attempt 60 questions, get 45 correct and 15 wrong:

Score = 45 × 1 − 15 × 0.33 = 40.05 marks

Skip questions you're unsure about — negative marking can reduce your score significantly.

Time Management Strategy

You have approximately 72.0 seconds per question on average.

PhaseTime BudgetTarget Questions
First pass (attempt easy Qs)72 min70 Qs
Second pass (attempt medium)36 min20 Qs
Review & guess12 minRemaining

Year-wise Pattern Changes

YearQuestionsDurationKey Change
2025100120 minCurrent pattern
2024100120 minNo major change
2023100120 minSection added

Pattern history is approximate. Always check official notification.

Difficulty Distribution

20%
40%
40%
Easy (20%)
Medium (40%)
Hard (40%)

Approximate question count: ~20 Easy | ~40 Medium | ~40 Hard

Based on difficulty level: hard. Actual distribution may vary.

Frequently Asked Questions

Ready to Practice UPSC Central Health Service?

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