The UPSC Exam Pattern is designed by the Union Public Service Commission. In this article, we will explain the UPSC Exam Pattern for the Prelims, Mains and Interview Stages. Since 2013, the paper pattern of UPSC CSE has remained unchanged. The CSE Exam is considered one of the toughest exams in the country so understanding the comprehensive details of the UPSC CSE Exam Pattern will help candidates to plan their preparations accordingly. 

UPSC CSE Exam Pattern

The UPSC CSE Exam Pattern is divided into three major stages – Prelims, Mains, and an Interview-cum Personality stage. Each stage of the examination carries a weightage of different marks. To become an officer, candidates need to clear all three stages starting with the Prelims stage. Once the Prelims stage is cleared, candidates become eligible for Mains and later for the Interview stage.

Name
No. of Papers
Type of Exam & Marks
UPSC Prelims Exam
2 Papers (GS 1 & CSAT Papers)
Objective & 400
UPSC Mains Exam
9 Papers
Written / Descriptive-1750
IAS Interview
no
Personality Test-275

UPSC Prelims + UPSC Mains + Interview Marks = 2025 Marks

UPSC CSE Prelims Exam Pattern

UPSC Exam Pattern For Prelims Stage – The Prelims exam is the first stage of the UPSC CSE Exam Pattern. This stage is conducted in order to filter out deserving candidates for the Mains exam. Only the candidates who qualify the Prelims will be eligible to appear for the next stage, i.e., the Mains exam.

Let us look at the UPSC Exam Pattern for Prelims stage below –

Subject
Nature Of Paper
Exam Type
No. of Questions
Exam Duration
Marks
Paper I - General Studies
Merit Ranking (Marks not counted in Final merit)
Objective
100
2 Hours
200
Paper II - Aptitude Test (CSAT)
Qualifying
Objective
80
2 Hours
200

  • There will be 2 Papers in UPSC CSE Prelims Exam Pattern namely – GS Paper 1 and GS Paper 2 (CSAT). Both papers will be an objective-type, MCQ-based exam.
  • The CSAT Paper (GS Paper 2) is qualifying in nature, where applicants must score at least 33% to qualify. The Prelims Cut-Off is calculated based on GS Paper 1 only.
  • Marks obtained in the prelims stage are not counted in the Final Merit List.
  • As per the UPSC CSE Prelims Exam Pattern, both papers in the prelims stage will have a negative marking scheme.
  • There will be a penalty of marks for every incorrect answer in UPSC CSE Prelims.

UPSC CSE Mains Exam Pattern

UPSC Mains Exam Pattern – Candidates who have scored the cut-off marks in CSE Prelims GS-1 Paper and 33% in the CSE Prelims GS-2 Paper (CSAT) will be called to appear for the CSE Mains exam which will have 9 Descriptive type papers, including Language Papers and Optional Subject Papers. Let us go through the exam pattern for UPSC Mains exam below –
Paper
Subject
Nature of Paper
Time Allotted
Total Marks
Paper A
Compulsory Indian language
Qualifying (75 Marks required. ie. 25%)
3 hours
300
Paper B
English
Qualifying (75 Marks required. ie. 25%)
3 hours
300
Paper I
Essay
Final Merit (Marks will be counted in the final merit list)
3 hours
Paper-II
General Studies I
Final Merit (Marks will be counted in the final merit list)
3 hours
250
Paper III
General Studies II
Final Merit (Marks will be counted in the final merit list)
3 hours
250
Paper IV
General Studies III
Final Merit (Marks will be counted in the final merit list)
3 hours
250
Paper V
General Studies IV
Final Merit (Marks will be counted in the final merit list)
3 hours
250
Paper VI
Optional I
Final Merit (Marks will be counted in the final merit list)
3 hours
Paper VII
Optional II
Final Merit (Marks will be counted in the final merit list)
3 hours
250

UPSC Mains Total Marks 1750

The UPSC CSE Mains Exam Pattern consists of a total of 9 papers:

  • 1 Compulsory Indian Language Paper
  • 1 English Paper
  • 1 Essay Paper
  • 4 General Studies Papers (GS1, GS2, GS3 & GS4)
  • 2 Optional Papers
  • As per the UPSC CSE Mains exam pattern, all the papers in the mains stage will be of descriptive type.
  • The time duration for each paper is 3 hours. Extra 30 minutes will be given to the blind candidates.
  • The total marks scored in the mains exam will be counted in the final merit list.
  • The language papers (Mains Paper A & Paper B) are qualifying in nature.
  • Paper A is not compulsory for candidates from the States of Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland and Sikkim as well as candidates with hearing impairment. However, they have to provide confirmation about the exemption of such 2nd or 3rd language courses from their concerned university or board.
  • Candidates can choose any one optional subject from the list of 48 optional subjects provided by UPSC.

List of Optional Subjects for UPSC CSE Mains

UPSC CSE Mains Exam Pattern consists of two optional papers and each paper carries 250 marks. Candidates are allowed to select their preferred optional subject for Paper VI & Paper VII of the mains exam.

The optional subject should be anyone from the list of 48 optional subjects provided in the table below.

Literature languages – Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Maithili, Malayalam, Manipuri, Marathi, Nepali, Odia, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu, Urdu and English (As per the languages listed in the 8th Schedule of the Constitution).

Optional Subjects List
Agriculture
Civil Engineering
Geology
Mechanical Engineering
Psychology
Animal Husbandry and Veterinary Science
Commerce and Accountancy
History
Medical Science
Public Administration
Anthropology
Economics
Law
Philosophy
Sociology
Botany / Zoology
Electrical Engineering
Management
Physics
Statistics
Chemistry
Geography
Mathematics
Political Science and International Relations

Negative Marking Pattern in UPSC CSE Exam

As discussed above, both GS Paper 1 & GS Paper 2 paper of Prelims stage will have a negative marking scheme. 1/3rd mark of each question will be deducted for wrong answers.

According to the UPSC Paper Pattern for the Prelims stage, each question of GS Paper 1 will carry 2 marks, while each question of GS Paper 2 (CSAT) will carry 2.5 marks.

Have a look at the negative marking scheme for the Prelims exam stage in the table below.

Prelims Paper
No. of Questions
Total Marks
Negative Marking Scheme
General Studies-1
100
2*100 = 200
0.66
General Studies-2 (CSAT)
80
2.5*80 = 200
0.83

UPSC CSE Interview Pattern

The personal interview cum personality test will be the last stage of the UPSC CSE exam. The candidates who clear the main examination will be called up for the interview process. In this stage, the candidate’s mental and social traits will be tested by asking questions of general interest. The following are the highlights of the UPSC Interview pattern –

  • Candidates will be selected for the UPSC based on the marks they score in the mains exam and personal interview.
  • Some of the qualities that the board looks for are mental alertness, critical powers of assimilation, clear and logical exposition, a balance of judgment, variety and depth of interest, the ability for social cohesion and leadership, and intellectual and moral integrity.
  • The interview process will be for a total of 275 marks.
  • You must have a complete idea by now of the UPSC Exam Pattern. Now, to stand ahead in the competition, you should make sure to prepare and practice according to the UPSC Exam Paper Pattern as given above. The UPSC CSE Exam is difficult and the intensity increases every year.