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UPSC CSE Prelims 2026-2027

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UPSC Negative Marking Calculator

GS Paper 1 (Merit paper, 1/3 negative marking) & CSAT Paper 2 (Qualifying 33% pass mark). Separate net score & qualifying status indicators.

UPSC CSAT Rule:CSAT (Paper 2) requires a minimum 33% qualifying score (66.66 Marks out of 200). CSAT score is NOT added to GS Paper 1 for merit ranking, but scoring below 66 in CSAT results in immediate disqualification.

Enter Section Attempts & Skipped Questions

What-If Risk & Attempt Impact Simulator

Exclusive Strategy Tool

Simulate what happens to your score if you attempt additional educated guess questions instead of skipping them:

Simulated Score Impact
+7.5 Marks Expected
Expected Value
POSITIVE EV (+1.50 M/Q)
Calculated Net ScoreSafe Zone
0/ 300
0.0%
Correct: 0Wrong: 0Skipped: 0
Earned: +0 MLost: -0 MSkipped: 0 Penalty
Accuracy
0.0%
Break-Even
20.0%
Marks / Att.
0.0
Predict Rank for 0 Marks →

Subject-wise Marks Breakdown

Sectional Analysis

High-Precision Score Trajectory Graph

Chart.js HD
Break-Even Threshold: 20.0%Current Accuracy: 0.0%

The gradient curve plots your net score as accuracy moves from 0% to 100%. The blue target marker highlights your exact score placement.

Calculation saved to My Progress!

Countdown: UPSC CSE Prelims 2027

Target Date: 2027-05-23
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UPSC Negative Marking Calculator Rank & Cutoff Estimator

Benchmarked against previous year official NTA/UPSC/SSC result data

Historical Trends
Session / YearScore / RangeEstimated Rank / Percentile / Category Cutoff
2024 (Official)75.50 MarksGeneral Cutoff (OBC: 74.80, EWS: 72.10, SC: 59.30, ST: 53.40)
202375.41 MarksGeneral Cutoff (OBC: 74.75, EWS: 71.55, SC: 59.25, ST: 47.82)
202288.22 MarksGeneral Cutoff (OBC: 87.54, EWS: 82.83, SC: 74.08, ST: 69.35)
202187.54 MarksGeneral Cutoff (OBC: 84.85, EWS: 80.14, SC: 75.41, ST: 70.71)
202092.51 MarksGeneral Cutoff (OBC: 89.12, EWS: 77.55, SC: 74.84, ST: 68.71)
201998.00 MarksGeneral Cutoff (OBC: 95.34, EWS: 90.00, SC: 82.00, ST: 77.34)

How UPSC CSE Prelims Negative Marking Works

Verified: UPSC Civil Services Examination Official Notification

Negative marking is designed to eliminate random guessing and measure conceptual accuracy. In UPSC CSE Prelims, every incorrect bubble deducts marks from your hard-earned positive score. Below is the official marking structure verified against the latest examination bulletin.

Question TypeCorrect MarksNegative PenaltyRule / Exception
GS Paper 1 (100 Questions)+2.0-0.667 (1/3)Determines merit list for UPSC Mains qualification.
CSAT Paper 2 (80 Questions)+2.5-0.833 (1/3)Qualifying only. Minimum 66.67 marks required.
Unattempted Questions00Zero penalty for leaving unattempted.

How to Calculate Your UPSC CSE Prelims Score

Use the formula below to manually verify your raw score or enter your responses into our interactive calculator above for instant evaluation.

Net Score = (Correct Answers × Marks Per Question) - (Incorrect Answers × Negative Penalty)
Total Attempted
88
Correct (+ve)
+124 pts
Wrong (-ve)
-17.33 pts
Net Final Score
106.67 / 200

Formula for GS Paper 1: (62 × 2.0) - (26 × 0.667) = 124.0 - 17.33 = 106.67 Marks out of 200. This comfortably clears the General Category Prelims cutoff (75–88 marks).

Negative Marking Rules for UPSC CSE Prelims 2026-27

  • •UPSC Notification 1/3rd Rule: Every wrong answer attracts a penalty of 1/3rd (33.33%) of the marks assigned to that specific question.
  • •GS Paper 1 Deduction: Since each question carries 2 marks, the penalty per incorrect response is exactly -0.667 marks.
  • •CSAT Paper 2 Deduction: Each question carries 2.5 marks, so each incorrect answer deducts -0.833 marks. Candidates must score at least 66.67 marks (33.33%) to qualify.
  • •Multiple Answers Penalty: If more than one circle is darkened on the OMR sheet for a question, it is evaluated as an incorrect response even if one of the given choices is correct.

Tips to Avoid Losing Marks in UPSC CSE Prelims

  • Strategy Tip #1

    Elimination & Educated Guessing: With 1/3 negative marking, if you can eliminate 2 options in GS Paper 1, the mathematical expected value is strongly positive (+0.67 marks per question).

  • Strategy Tip #2

    CSAT Safety Margin: Aim for 80-90 marks in CSAT during practice to ensure you comfortably cross the 66-mark barrier even with tough passage interpretations.

  • Strategy Tip #3

    Optimal GS-1 Attempt Volume: Top scorers typically attempt between 75 to 88 questions in GS Paper 1 to absorb negative marking deductions.

  • Strategy Tip #4

    Avoid Over-Attempting in Uncertain Questions: If you have zero knowledge of a question, guessing carries a -0.667 mark penalty that drags down your overall score.

Related Exam Tools & Rank Estimators

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Calculate IBPS PO & SBI PO score with 0.25 negative deduction.

Frequently Asked Questions About UPSC CSE Prelims

What is the negative marking deduction in UPSC GS Paper 1?▼

Each wrong answer in GS Paper 1 deducts 1/3 of the marks assigned to that question, which equals 0.667 marks out of 2.

How much is deducted for wrong answers in UPSC CSAT?▼

In CSAT Paper 2, each question carries 2.5 marks, with an incorrect answer penalty of 0.833 marks (1/3rd of 2.5).

Are CSAT marks counted in the UPSC Prelims merit list?▼

No. CSAT (Paper 2) is strictly qualifying in nature. You need 33% (66.67 marks out of 200). Only GS Paper 1 marks are used to determine the Prelims merit cutoff.

What was the UPSC Prelims General cutoff in 2024 & 2023?▼

The General category GS Paper 1 cutoff was 75.50 marks in 2024 and 75.41 marks in 2023 out of 200.