Last Updated on: 09 Apr 2026, 04:36 AM

UPSC Prelims Exam Pattern 2025: Subject-wise Analysis & Trends

Complete guide to the UPSC CSE Prelims Exam pattern. Get subject-wise question trends (2020-2025), analysis of GS Paper 1 & CSAT, syllabus insights, and FAQs for Aspirants.

UPSC Civil Services Prelims Exam Pattern and Syllabus Insights

An interactive dashboard providing a detailed breakdown of the UPSC Prelims exam structure, subject-wise weightage trends from previous years, and essential information for aspirants.

UPSC CSE Exam Pattern 2026 🔥 (Prelims + Mains का नया पैटर्न) Click here to check full details

→

Overall Exam Pattern

The Civil Services (Preliminary) Examination is the first stage of the three-stage selection process. It is an objective type (multiple choice questions) exam designed to screen candidates for the Main Examination. The structure is as follows:

Paper I: General Studies (GS)

• Number of Questions: 100
• Maximum Marks: 200
• Duration: 2 Hours (120 Minutes)
• Nature: Marks are counted for cutoff
• Negative Marking: Yes (1/3rd of the marks assigned to that question)

Paper II: CSAT

UPSC CSE Eligibility 2026 🚨 (Overage Alert? Check Age & Attempts Rule) Click here to check full details

→

• Number of Questions: 80
• Maximum Marks: 200
• Duration: 2 Hours (120 Minutes)
• Nature: Qualifying (minimum 33% marks required)
• Negative Marking: Yes (1/3rd of the marks assigned to that question)

Important Note: Candidates must appear in both papers of the Preliminary Examination. The merit list for the Main Examination is prepared based on the marks obtained in General Studies Paper-I only, provided the candidate has scored the minimum qualifying marks (33%) in CSAT Paper-II.

GS Paper-I: Subject-wise Trend Analysis (2020-2024)

Understanding the distribution of questions across different subjects is crucial for a focused preparation strategy. The following table and interactive chart illustrate the trends in the number of questions asked from major subjects in the GS Paper-I over the last five years. Hover over the points in the chart to see specific data.

UPSC Selection Process: IAS/IPS बनने की Step-by-Step पूरी प्रक्रिया Click here to check full details

→

Questions Distribution Table

Disclaimer: The data and analysis provided on this page are based on previous year question papers and expert analysis for informational purposes. Candidates are advised to refer to the official UPSC website for the latest and most accurate information.

Official Website: www.upsc.gov.in

Freqently Asked Questions (FAQs)

Is there negative marking in both papers?

Yes, there is a penalty for incorrect answers in both GS Paper-I and CSAT Paper-II. For each wrong answer, one-third (0.33) of the marks assigned to that question will be deducted.

What is the qualifying percentage for CSAT Paper-II?

A candidate needs to score a minimum of 33% marks in CSAT Paper-II to qualify. This means you need to get approximately 66 marks out of 200.

Are the marks of Prelims counted for the final merit list?

No, the marks obtained in the Preliminary Examination are not counted for the final ranking. The Prelims is only a screening test to select candidates for the Main Examination.

Can I use a calculator in the exam?

No, calculators, log tables, mobile phones, and other electronic gadgets are not allowed inside the examination hall.

Is the syllabus for Prelims and Mains the same?

There is a significant overlap, especially for General Studies. However, the Mains syllabus is much more extensive and requires in-depth analytical study, whereas Prelims focuses on a broad understanding and factual recall.

How many attempts are there for the UPSC CSE?

For General category candidates, the limit is 6 attempts till the age of 32. For OBC, it's 9 attempts till 35, and for SC/ST, there is no restriction on the number of attempts till the age of 37. Relaxations apply for other categories as per government rules.

What is the language of the question paper?

The question papers are set in both Hindi and English.

How are the Prelims cut-off marks determined?

The cut-off is determined based on the marks obtained in GS Paper-I only. It varies each year depending on the difficulty level of the paper and the number of vacancies.

Do I need to prepare for CSAT if I am good at Maths?

a: "Even if you are comfortable with quantitative aptitude and reasoning, it is highly advisable to practice previous years' papers and mock tests. The difficulty and pattern can be unpredictable, and since it is a qualifying paper, you cannot afford to neglect it.