The UPSC exam pattern for the Civil Services Examination is: Prelims, Main written exam, and Interview/Personality Test. The official scheme describes two successive stages—Preliminary and Main—with the Main stage containing the Written Examination and Interview. Prelims is a screening test; final merit is based on 1750 Main written marks plus 275 interview marks, total 2025.
Author: CareerPlan Editorial Team
This page explains the UPSC exam pattern only. For form release, admit card, result and calendar changes, check UPSC notification and exam dates and then verify the current official UPSC page before relying on the date.
UPSC Exam Pattern Simulator: Calculate Your Potential Score
The UPSC Civil Services Examination (CSE) consists of three stages for a candidate’s preparation plan: Preliminary Examination, Main Written Examination and Interview/Personality Test. The official UPSC notice describes the examination as two successive stages because the Main Examination includes both the Written Examination and the Interview/Personality Test.
The Preliminary Examination is objective type and serves as a screening test for selection to the Main Examination. Marks obtained in the Preliminary Examination are not counted for determining the final merit order. The Main Examination consists of a Written Examination and an Interview/Personality Test.
| Stage | Purpose | Type | Marks used for final merit? |
|---|---|---|---|
| Preliminary Examination | Screening for Main Examination | Objective type, multiple choice questions | No |
| Main Written Examination | Written assessment through conventional essay-type papers | Descriptive papers | Yes, for Paper I to Paper VII |
| Interview/Personality Test | Personality assessment after qualifying the written part | Interview/Personality Test | Yes |
UPSC Prelims pattern
The UPSC Prelims pattern has two compulsory papers of 200 marks each. Both papers are objective type and each paper is of two hours duration. The total Prelims paper value is 400 marks, but this total is not added to the final rank.
| Prelims paper | Marks | Duration | Role in selection |
|---|---|---|---|
| General Studies Paper I | 200 | 2 hours | Used for deciding qualification to Main Examination, subject to the Commission’s cut-off |
| General Studies Paper II, also called CSAT by candidates | 200 | 2 hours | Qualifying paper with 33% minimum qualifying marks |
The question papers are set in Hindi and English. A candidate must appear in both Prelims papers for evaluation. If a candidate appears in only one paper, that still counts as an attempt, but absence from the other paper can affect evaluation.
UPSC marking scheme for Prelims
UPSC applies negative marking in objective papers. For a wrong answer, one-third of the marks assigned to that question is deducted. If more than one option is marked, it is treated as a wrong answer. A blank answer carries no penalty.
Use this score simulator logic while checking mock-test performance. The number of questions may be checked from the official question paper for the year; the formula below uses the common 100-question GS Paper I and 80-question GS Paper II structure seen in official papers.
| Paper | Marks per correct answer | Penalty per wrong answer | Score formula |
|---|---|---|---|
| GS Paper I | 200 ÷ 100 = 2 marks | One-third of 2 = 2/3 = 0.6667 marks | (Correct × 2) − (Wrong × 2/3) |
| GS Paper II | 200 ÷ 80 = 2.5 marks | One-third of 2.5 = 5/6 = 0.8333 marks | (Correct × 2.5) − (Wrong × 5/6) |
Worked Prelims score example
Assume a candidate attempts GS Paper I with 72 correct answers, 18 wrong answers and 10 blank questions.
- Marks for correct answers = 72 × 2 = 144
- Penalty for wrong answers = 18 × 2/3 = 12
- Blank answers = 10 × 0 = 0
- Final GS Paper I score = 144 − 12 = 132 marks out of 200
For GS Paper II, assume 35 correct answers, 12 wrong answers and 33 blank questions.
- Marks for correct answers = 35 × 2.5 = 87.5
- Penalty for wrong answers = 12 × 5/6 = 10
- Final GS Paper II score = 87.5 − 10 = 77.5 marks out of 200
- CSAT qualifying mark = 33% of 200 = 0.33 × 200 = 66 marks
- Since 77.5 is greater than 66, the candidate clears the CSAT qualifying condition in this example.
This calculation is only a score estimate. UPSC declares the actual cut-off and result. Do not treat a mock-test score as official qualification.
UPSC Mains pattern
The UPSC Mains pattern has nine written papers. Two papers are qualifying in nature: Paper A, one Indian language, and Paper B, English. The remaining seven papers are counted for merit.
| Mains paper | Subject | Marks | Counted for ranking? |
|---|---|---|---|
| Paper A | One Indian language from the Eighth Schedule, subject to notified exemptions | 300 | No, qualifying |
| Paper B | English | 300 | No, qualifying |
| Paper I | Essay | 250 | Yes |
| Paper II | General Studies I | 250 | Yes |
| Paper III | General Studies II | 250 | Yes |
| Paper IV | General Studies III | 250 | Yes |
| Paper V | General Studies IV | 250 | Yes |
| Paper VI | Optional Subject Paper 1 | 250 | Yes |
| Paper VII | Optional Subject Paper 2 | 250 | Yes |
The merit-counting written total is calculated as follows:
- Essay = 250 marks
- Four General Studies papers = 4 × 250 = 1000 marks
- Two Optional papers = 2 × 250 = 500 marks
- Main written merit total = 250 + 1000 + 500 = 1750 marks
In the CSE 2026 notice, the qualifying language and English papers require 25% minimum qualifying marks. The working is: 25% of 300 = 0.25 × 300 = 75 marks in each qualifying paper. Verify this rule in the current official notification for the year in which you apply.
UPSC interview and final merit calculation
The UPSC interview is officially called the Interview/Personality Test. It carries 275 marks and has no minimum qualifying marks. Final ranking is based on the marks obtained in the Main Written Examination papers counted for merit and the Interview/Personality Test.
| Component | Marks |
|---|---|
| Main written papers counted for merit | 1750 |
| Interview/Personality Test | 275 |
| Final merit total | 1750 + 275 = 2025 |
Worked example: suppose a candidate scores 120 in Essay, 95 in GS I, 100 in GS II, 90 in GS III, 110 in GS IV, 130 in Optional Paper 1, 125 in Optional Paper 2 and 170 in the Interview/Personality Test.
- Main written merit score = 120 + 95 + 100 + 90 + 110 + 130 + 125 = 770
- Interview score = 170
- Final score for merit = 770 + 170 = 940 out of 2025
- Prelims marks are not added to this 940.
For study planning after you understand the pattern, read how to prepare for UPSC. Use that preparation page for schedule and method; use this page only for the exam pattern and marks logic.
Official UPSC Resources: Study Materials & Previous Year Papers
UPSC does not publish coaching-style study notes for the Civil Services Examination. The official materials that matter for the UPSC CSE pattern are the notification, rules, syllabus or scheme, question papers, answer-booklet instructions and result-related documents.
| Need | Official source to use | How to use it |
|---|---|---|
| Current pattern and rules | UPSC Civil Services Examination 2026 Notification PDF | Read the Plan of Examination and Scheme and Subjects sections before relying on any summary. |
| Current examination page | Civil Services Preliminary Examination 2026 page on UPSC | Check the official notice, question papers, admit-card status and result documents when available. |
| Previous year question papers | UPSC Previous Year Question Papers | Search Civil Services Preliminary Examination or Civil Services Main Examination and choose the year. |
| UPSC mains papers | UPSC previous question paper archive | Filter by Civil Services Main Examination to see Essay, General Studies and optional subject papers. |
| Answer booklet format | UPSC specimen question-cum-answer booklets | Use this to understand answer-booklet format for conventional papers where relevant. |
| Older revised scheme documents | UPSC Revised Syllabus and Scheme page | Use this as a reference page, but prefer the current examination notice for the current year’s CSE pattern. |
For previous papers, do not depend on screenshots or copied PDFs from unknown sources. The official UPSC previous question paper page is searchable by year and exam name, and it contains the downloadable PDFs uploaded by the Commission.
Absence of direct links to official UPSC study materials and previous year’s question pape
Direct answer: the problem with the absence of direct links to official UPSC study materials and previous year’s question pape is that students may read a pattern summary without checking the source document. The safe fix is to keep the official UPSC notification PDF and the official previous question papers page open while studying the pattern.
Direct answer: there is also a lack of direct links to official UPSC study materials or previous year’s q on many summary pages, so candidates should treat UPSC’s own pages as the first reference. For the Civil Services Examination, “official study materials” mainly means the notification, scheme, syllabus, question papers, specimen booklets and official instructions. It does not mean that UPSC provides a set of coaching notes for every topic.
Use this order when verifying the UPSC exam pattern:
- Open the current Civil Services notification PDF on upsc.gov.in.
- Read the Plan of Examination first.
- Read the Scheme and Subjects section next.
- Open the official previous question papers page and compare the paper names with the scheme.
- Check current-year dates, centres, admit-card notices and result links only on the active examination page because these details can change.
Common mistakes in reading the pattern
- Counting Prelims marks in final merit: Prelims marks are not counted for final merit. Prelims decides who moves to Mains.
- Ignoring CSAT: GS Paper II is qualifying, but failing the 33% condition can stop a candidate even if GS Paper I is strong.
- Forgetting negative marking: Wrong answers reduce the score by one-third of the marks assigned to the question.
- Adding Paper A and Paper B to rank: The Indian language and English papers are qualifying in nature. They are not added to the merit total.
- Reading old details without checking the current notice: Dates, centres, application windows and some instructions must be verified from the current official notification.