UPSC CSE Exam: Syllabus, Exam Pattern, Eligibility and Preparation Guide

UPSC CSE (Civil Services Examination) is a 3-stage exam conducted by Union Public Service Commission to recruit officers for IAS, IPS, IFS and 22 other All India and Central Services. Graduates aged 21 to 32 years (General category) can appear. The 3 stages are Prelims, Mains and Personality Test (Interview). Every stage has separate cut off marks and merit lists.

UPSC CSE Exam Overview at a Glance

UPSC CSE is conducted once every year by the Union Public Service Commission (UPSC), New Delhi. The official notification is published in upsc.gov.in. Around 800 to 1,200 vacancies are filled every year across all services.

DetailInformation
Full NameUnion Public Service Commission Civil Services Examination
Conducting BodyUnion Public Service Commission (UPSC)
Official Websiteupsc.gov.in
Exam FrequencyOnce per year
Total Stages3 (Prelims, Mains, Personality Test)
Total Marks (Mains + Interview)2025 marks
Medium of ExamEnglish and Hindi (Mains in any scheduled language)
Application ModeOnline only at upsconline.nic.in
Approximate Annual Vacancies800 to 1,200 posts
Services Covered24 All India and Central Services including IAS, IPS, IFS

For a complete list of UPSC CSE latest recruitment and notification details , visit the recruitment page. Candidates also preparing for other top government posts can read about India’s top 10 high paying sarkari exams .

UPSC CSE Eligibility Criteria: Age, Education and Attempts

A candidate must hold a graduation degree from a recognized university to appear in UPSC CSE. Final year students can also apply provisionally. Age and attempt limits vary by category.

Educational Qualification

CriterionRequirement
Minimum EducationGraduation (any stream) from a recognized university
Final Year StudentsCan apply provisionally at Prelims stage
Professional DegreesMBBS, BE, LLB, B.Sc. all accepted
Distance EducationDegrees from IGNOU and DEB-approved universities accepted

UPSC CSE Age Limit and Attempts (Category Wise)

CategoryMinimum AgeMaximum AgeTotal Attempts Allowed
General (UR)21 years32 years6 attempts
OBC (Non-Creamy Layer)21 years35 years9 attempts
SC / ST21 years37 yearsUnlimited (until age limit)
PwBD (General / OBC)21 years42 years9 attempts
PwBD (SC / ST)21 years42 yearsUnlimited (until age limit)
Defence Services Personnel (Disabled)21 years35 years (General)As per category

Nationality Criteria

  • Citizens of India can appear in all posts.
  • Citizens of Nepal and Bhutan can appear in all posts except IAS and IFS.
  • Tibetan refugees (arrived before January 1, 1962) are eligible.
  • Persons of Indian origin from Pakistan, Burma, Sri Lanka, Kenya, Uganda, Tanzania, Zambia, Malawi, Zaire, Ethiopia and Vietnam are eligible for posts other than IAS and IFS.

UPSC CSE Exam Pattern: All 3 Stages Explained

UPSC CSE has 3 sequential stages: Preliminary Examination, Mains Examination and Personality Test. Prelims marks are not counted in the final merit. Only Mains (1750 marks) and Interview (275 marks) form the final score of 2025 marks.

Stage 1: Preliminary Examination (UPSC CSE Prelims)

Prelims is an objective type screening test with 2 papers. Paper II (CSAT) is qualifying only with 33% minimum marks required. Paper I marks decide Prelims cut off and shortlisting for Mains.

PaperSubjectQuestionsMaximum MarksDurationNature
Paper IGeneral Studies (GS)100 MCQs2002 hoursMerit based
Paper IICivil Services Aptitude Test (CSAT)80 MCQs2002 hoursQualifying (33% needed)

Negative Marking in UPSC CSE Prelims

  • Each correct answer gives 2 marks in GS Paper I.
  • Each wrong answer deducts 0.66 marks (1/3 of 2).
  • Unattempted questions carry zero marks.
  • CSAT has the same negative marking pattern.

Stage 2: Mains Examination (UPSC CSE Mains)

UPSC CSE Mains is a written descriptive exam with 9 papers out of which 7 papers carry merit marks totalling 1750. Papers A and B are qualifying only. Mains tests depth of knowledge, analytical ability and writing skills.

PaperSubjectMaximum MarksNature
Paper AIndian Language (any 8th Schedule language)300Qualifying only
Paper BEnglish Language300Qualifying only
Paper IEssay250Merit based
Paper IIGeneral Studies I (History, Geography, Society)250Merit based
Paper IIIGeneral Studies II (Polity, Governance, IR, Social Justice)250Merit based
Paper IVGeneral Studies III (Economy, Environment, Technology, Security)250Merit based
Paper VGeneral Studies IV (Ethics, Integrity, Aptitude)250Merit based
Paper VIOptional Subject Paper I250Merit based
Paper VIIOptional Subject Paper II250Merit based
Total Mains (Merit Marks)1750

UPSC CSE Mains Paper A Exemptions

Candidates from Meghalaya, Arunachal Pradesh, Mizoram, Manipur, Nagaland, Sikkim, Tripura and Jammu and Kashmir are exempt from Paper A. They must submit a request to UPSC in their application form.

Stage 3: Personality Test (UPSC CSE Interview)

The Personality Test carries 275 marks and is conducted at UPSC Bhavan, New Delhi by a Board of UPSC members. The interview tests mental alertness, critical powers of assimilation, logical exposition, balance of judgment and leadership qualities. No minimum marks are required to pass the interview.

UPSC CSE Final Merit Calculation

ComponentMaximum MarksCounted in Final Merit
Prelims (GS Paper I)200No (Only for shortlisting)
Mains (7 Merit Papers)1750Yes
Personality Test (Interview)275Yes
Total Final Score2025Yes

Union Public Service Commission CSE Syllabus: Prelims and Mains Complete Topics

UPSC CSE syllabus covers topics from History, Geography, Polity, Economy, Environment, Science and Technology, Ethics, Current Affairs and the candidate’s chosen Optional Subject. UPSC publishes the official syllabus with its annual notification at upsc.gov.in.

Union Public Service Commission CSE Prelims Syllabus (GS Paper I Topics)

Subject AreaKey Topics
HistoryAncient, Medieval, Modern Indian History, National Movement
GeographyIndian Geography, Physical Geography, Climate, Rivers, Resources
Indian PolityConstitution, Parliament, Judiciary, Federalism, Local Government
EconomyEconomic Development, Planning, Poverty, Budget, Banking, Trade
Environment and EcologyBiodiversity, Climate Change, Conservation, Environmental Laws
General SciencePhysics, Chemistry, Biology (applied concepts only)
Current AffairsNational and International events, Awards, Sports, Books, Persons

UPSC CSE Prelims Syllabus (CSAT Paper II Topics)

TopicSub Topics
ComprehensionEnglish and Hindi passage based questions
Logical ReasoningAnalytical ability, Decision Making, Problem Solving
General Mental AbilityNumber Series, Blood Relations, Directions, Analogies
Basic NumeracyNumbers, Percentages, Ratio, Data Interpretation (Class 10 level)
English Language ComprehensionReading comprehension at Class 10 level

CSE Mains Syllabus (GS Paper Wise Topics)

PaperCore Topics
GS I: Indian Heritage and Culture, History and GeographyArt and Culture, Post independence consolidation, World History, Human Geography, Urbanization, Disaster Management
GS II: Governance, Constitution, Polity, Social Justice, IRConstitutional provisions, Policies and interventions, Welfare schemes, Bilateral relations, Regional and global groupings
GS III: Technology, Economic Development, Bio diversity, Environment, SecurityIndian Economy, Agriculture, Science and Tech, Disaster Management, Environmental Conservation, Internal Security challenges
GS IV: Ethics, Integrity and AptitudeEmotional Intelligence, Ethics in public administration, Contributions of moral thinkers, Case studies
Essay Paper2 essays from different sections, each 1000 to 1200 words

UPSC CSE Optional Subject List (48 Subjects)

UPSC CSE gives candidates a choice of 1 Optional Subject from a list of 48 subjects. Both Optional papers carry 500 marks combined (250 + 250). Optional Subject selection significantly impacts final rank.

CategorySubjects
HumanitiesHistory, Geography, Sociology, Political Science, Public Administration, Philosophy, Psychology, Anthropology, Law, Economics
Science and TechnologyPhysics, Chemistry, Mathematics, Statistics, Botany, Zoology, Agriculture, Animal Husbandry and Veterinary Science, Forestry, Geology, Medical Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Commerce and Accountancy, Management
Literature (any 1 of 22 options)Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Maithili, Malayalam, Manipuri, Marathi, Nepali, Odia, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu, Urdu and English

Most Popular Optional Subjects Among UPSC CSE Toppers

  • Sociology: Concise syllabus with good overlap with GS Paper I and II.
  • Political Science and IR: Strong overlap with GS II and Essay.
  • Public Administration: High GS overlap, widely taught coaching.
  • History: High scoring when answer writing is strong.
  • PSIR (Political Science and International Relations): Consistent high scorers since last decade.
  • Geography: Good for candidates with Geography background.
  • Mathematics: Objective and scoring for candidates with strong base.
  • Anthropology: Short syllabus with high marks potential.

UPSC CSE Services and Posts: IAS, IPS, IFS and More

UPSC CSE selection gives access to 24 services including Group A and Group B Central Services. Service allocation depends on rank in the final merit list, category and preference form submitted after selection.

ServiceFull NameCadre Type
IASIndian Administrative ServiceAll India Service (Most Preferred)
IPSIndian Police ServiceAll India Service
IFSIndian Foreign ServiceCentral Service (Group A)
IRS (IT)Indian Revenue Service (Income Tax)Central Service (Group A)
IRS (C&CE)Indian Revenue Service (Customs and Central Excise)Central Service (Group A)
IAASIndian Audit and Accounts ServiceCentral Service (Group A)
IDASIndian Defence Accounts ServiceCentral Service (Group A)
IRTSIndian Railway Traffic ServiceCentral Service (Group A)
IPoSIndian Postal ServiceCentral Service (Group A)
IRASIndian Railway Accounts ServiceCentral Service (Group A)
ITSIndian Telecommunication ServiceCentral Service (Group A)
IDESIndian Defence Estates ServiceCentral Service (Group A)

Candidates who aspire for forest services can also look at the Indian Forest Service (IFS) Exam which is a separate exam from UPSC CSE but also conducted by UPSC.

UPSC CSE Salary: IAS, IPS and IFS Pay Scale

IAS officers at entry level (Junior Time Scale) receive a basic pay of ₹56,100 per month under the 7th Pay Commission. Total gross salary including Dearness Allowance (DA), House Rent Allowance (HRA), Travel Allowance (TA) and other perks ranges from ₹95,000 to ₹1,50,000.

Pay LevelGrade / RankBasic Pay (₹)
Level 10Junior Time Scale (Entry IAS)₹56,100
Level 11Senior Time Scale (4 years)₹67,700
Level 12Junior Administrative Grade (9 years)₹78,800
Level 13Selection Grade / Deputy Secretary₹1,18,500
Level 14Super Time Scale / Joint Secretary₹1,44,200
Level 17Cabinet Secretary (Highest IAS post)₹2,50,000 (fixed)

Non-Monetary Benefits for IAS and IPS Officers

  • Government accommodation in prime city locations.
  • Dedicated staff including cook, driver and security guard.
  • Official vehicle with fuel allowance.
  • Medical benefits for self and family at government hospitals.
  • Pension under National Pension System (NPS) after retirement.
  • Study leave for foreign education and training programs.

UPSC CSE Cut Off Marks (Category Wise)

UPSC CSE cut off marks differ across all 3 stages and all categories. Prelims cut off decides who writes Mains. Mains cut off decides who appears for the Interview. Final cut off (Mains + Interview combined) determines rank and service allocation.

UPSC CSE Prelims Cut Off (GS Paper I, out of 200)

CategoryApproximate Cut Off Range
General (UR)98 to 110 marks
EWS90 to 100 marks
OBC84 to 96 marks
SC74 to 88 marks
ST68 to 82 marks
PwBD (VH)60 to 72 marks

Union Public Service Commission Civil Services Examination Mains Cut Off (out of 1750)

CategoryApproximate Cut Off Range
General (UR)745 to 790 marks
EWS718 to 755 marks
OBC700 to 740 marks
SC665 to 710 marks
ST640 to 685 marks

UPSC CSE Final Cut Off (Mains + Interview, out of 2025)

CategoryApproximate Final Cut Off
General (UR)1000 to 1055 marks
EWS975 to 1020 marks
OBC965 to 1010 marks
SC920 to 970 marks
ST895 to 945 marks

Note: Cut off marks vary each year based on difficulty level, number of candidates and total vacancies. Above ranges are based on historical trends. Official cut off is published at upsc.gov.in after final result.

UPSC CSE Application Process: How to Apply Online

UPSC CSE application is submitted online at upsconline.nic.in in 2 parts: Part I and Part II registration. Both parts must be completed before the deadline. Incomplete applications get rejected without any intimation.

Application Steps

  1. Part I Registration: Visit upsconline.nic.in and complete basic registration to get a temporary Registration ID.
  2. Part II Registration: Login with the temporary ID and fill personal details, education, category, optional subject and centre preference.
  3. Upload Photo and Signature: Recent passport size photo (jpeg, 300 KB max) and signature (jpeg, 300 KB max).
  4. Application Fee Payment: Pay ₹100 online via SBI Net Banking, Debit Card or Credit Card. SC, ST, Female and PwBD candidates are exempt from fee.
  5. Final Submission: Submit and save the confirmation page with Application ID.

UPSC CSE Application Fee

CategoryApplication Fee
General / OBC / EWS (Male)₹100
SC / ST (All)Exempt (No Fee)
Female Candidates (All Categories)Exempt (No Fee)
PwBD Candidates (All Categories)Exempt (No Fee)

UPSC CSE Preparation Strategy: Stage Wise Approach

A minimum of 12 to 18 months of dedicated preparation is needed to clear UPSC CSE in the first or second attempt. Topper strategies consistently highlight NCERTs, standard reference books, daily newspaper reading and consistent answer writing practice.

Union Public Service Commission Civil Services Examination (CSE) Prelims Preparation Plan

SubjectSourceDaily Time
HistoryNCERT Class 6 to 12, Bipin Chandra (Modern India)45 minutes
GeographyNCERT Class 6 to 12, G.C. Leong Physical Geography45 minutes
PolityM. Laxmikanth Indian Polity45 minutes
EconomyNCERT Class 11 and 12, Economic Survey, Budget30 minutes
EnvironmentShankar IAS Environment, NCERT Biology30 minutes
Current AffairsThe Hindu / Indian Express daily reading60 minutes
CSAT PracticePrevious year papers, RS Aggarwal30 minutes

UPSC CSE Mains Preparation Plan

  • Answer Writing: Write at least 5 answers daily from Day 1 of Mains preparation.
  • Essay Writing: Practice 2 full essays per week covering Society, Ethics, Governance, Environment.
  • Optional Subject: Complete optional syllabus in 4 to 6 months with daily dedicated 2 hours.
  • GS Paper IV (Ethics): Study thinkers like Aristotle, Kautilya and Gandhi with case study practice.
  • Revision: Revise each subject at least 3 times before the exam.

UPSC CSE Interview Preparation

  • Prepare a detailed Detailed Application Form (DAF) with all activities, interests and background.
  • Read your Optional Subject thoroughly as the board often asks from it.
  • Stay updated on current affairs for the 6 months before your interview.
  • Practice mock interviews at centres like Mukherjee Nagar, Rajinder Nagar (Delhi).
  • Work on communication clarity, body language and balanced opinion formation.

For complete study material guidance, read the best books for sarkari exams which covers standard UPSC CSE reference books. Candidates can also follow the proven sarkari exam preparation strategy to build a strong foundation.

UPSC CSE Best Books: Subject Wise Recommended List

UPSC CSE toppers consistently recommend NCERTs as the base followed by 1 standard reference book per subject. Avoid reading too many books for the same subject.

SubjectRecommended BookAuthor / Publisher
Indian PolityIndian PolityM. Laxmikanth
Modern HistoryIndia’s Struggle for IndependenceBipin Chandra
Ancient and Medieval HistoryAncient India, Medieval IndiaR.S. Sharma, Satish Chandra
Indian EconomyIndian EconomyRamesh Singh
Physical GeographyCertificate Physical and Human GeographyG.C. Leong
EnvironmentEnvironment and EcologyShankar IAS Academy
Ethics (GS IV)Ethics, Integrity and AptitudeLexicon (Chronicle Publications)
Current AffairsThe Hindu, Indian Express, Vision IAS MonthlyDaily and Monthly
Science and TechnologyNCERT Science Class 8 to 10 + PIB UpdatesGovernment Publication
Art and CultureAn Introduction to Indian Art (NCERT Class 11)NCERT

UPSC CSE vs Other Top Government Exams

UPSC CSE is the highest ranked government exam in India in terms of prestige, difficulty and compensation package. Below is how it compares with other top exams.

ExamConducting BodyServicesDifficultyVacancies (Approx)
UPSC CSEUPSCIAS, IPS, IFS, IRSHighest800 to 1,200
SSC CGLSSCGroup B and C postsHigh5,000 to 17,000
IBPS POIBPSBank PO (11 PSBs)Moderate to High3,000 to 5,000
RBI Grade BRBIGrade B OfficerVery High200 to 500
UPSC CAPFUPSCAC in BSF, CRPF, CISFHigh200 to 400
NDAUPSCArmy, Navy, Air ForceHigh400 to 450

Aspirants who want to explore all high ranking options can read about top 5 sarkari exams with highest vacancies . For those interested in UPSC CAPF, a UPSC CAPF Mock Test is available to practice.

UPSC CSE Important Dates and Exam Calendar

Union Public Service Commission Civil Services Examination follows a fixed annual calendar with Notification in February, Prelims in May or June, Mains in September, and Interview from January to April of the following year.

EventApproximate Month
Official Notification ReleaseFebruary
Online Application OpensFebruary
Application DeadlineMarch
Prelims Admit CardApril to May
Prelims Exam DateMay to June
Prelims ResultJuly to August
Mains Application (DAF I)August
Mains ExamSeptember
Mains ResultDecember to January
DAF II for Service PreferenceJanuary
Personality Test (Interview)January to April
Final Result and Merit ListApril to May

UPSC CSE Success Rate and Selection Ratio

Union Public Service Commission Civil Services Examination has a selection rate of approximately 0.1% to 0.2% of total applicants. Around 10 to 13 lakh candidates apply every year. Around 5 to 6 lakh appear for Prelims. About 12,000 to 15,000 qualify for Mains. Around 2,500 to 3,000 qualify for Interview. Final selection is around 800 to 1,200 candidates.

StageApproximate CandidatesSelection Ratio
Total Applicants10 to 13 lakh100%
Prelims Appeared5 to 6 lakh~45%
Prelims Cleared (Mains Eligible)12,000 to 15,000~0.2% of applicants
Mains Cleared (Interview Eligible)2,500 to 3,000~0.05% of applicants
Final Selection800 to 1,200~0.01% of applicants

Candidates who aspire to clear UPSC CSE can benefit from Mukhyamantri Abhyudaya Yojana which provides free UPSC coaching to students from economically weaker sections in Uttar Pradesh. PM scholarship programs like PM YASASVI Scholarship also support meritorious OBC and EWS students preparing for UPSC CSE.

UPSC CSE Training: LBSNAA and Foundation Course

Selected candidates undergo a mandatory Foundation Course at Lal Bahadur Shastri National Academy of Administration (LBSNAA), Mussoorie. IPS officers later train at Sardar Vallabhbhai Patel National Police Academy (SVPNPA), Hyderabad. IFS officers train at Foreign Service Institute, New Delhi.

ServiceTraining AcademyLocation
IASLal Bahadur Shastri National Academy of Administration (LBSNAA)Mussoorie, Uttarakhand
IPSSardar Vallabhbhai Patel National Police Academy (SVPNPA)Hyderabad, Telangana
IFSForeign Service Institute (FSI)New Delhi
IRS (IT)National Academy of Direct Taxes (NADT)Nagpur, Maharashtra
IRS (C&CE)National Academy of Customs, Indirect Taxes and NarcoticsFaridabad, Haryana

UPSC CSE Related Exams and Alternative Options

Candidates preparing for UPSC CSE can simultaneously prepare for these related exams with overlapping syllabus:

ExamLinkSyllabus Overlap with UPSC CSE
SSC CGLSSC CGL ExamGK, Reasoning, English
UPSC EPFOUPSC EPFO RecruitmentEconomy, Polity, Current Affairs
RBI Grade BRBI Grade B Mock TestEconomy, Finance, Current Affairs
SEBI Grade ASEBI Grade A RecruitmentEconomy, Law, Management
NABARD Grade ANABARD Grade A RecruitmentAgriculture, Rural Economy
Indian Forest ServiceIFS ExamGS Prelims identical
UPSC CAPFUPSC CAPF Mock TestGS, Current Affairs, Essay
IBPS POIBPS PO ExamCurrent Affairs, Economy

UPSC CSE Frequently Asked Questions (FAQs)

How many stages are there in UPSC CSE?

UPSC CSE has 3 stages: Preliminary Examination, Mains Examination and Personality Test (Interview). Prelims is a screening test. Mains carries 1750 merit marks and Interview carries 275 marks. The final merit list is based on 2025 marks combined.

How many attempts are allowed in UPSC CSE for General category?

General category candidates get 6 attempts in UPSC CSE up to the age of 32 years. OBC candidates get 9 attempts up to age 35. SC and ST candidates get unlimited attempts until they reach the age of 37 years. Appearing in Prelims counts as 1 attempt.

How many marks does UPSC CSE Mains carry in total?

UPSC CSE Mains has 9 papers with a total of 1750 merit marks (Papers A and B are qualifying only). The 7 merit papers include 1 Essay paper, 4 General Studies papers and 2 Optional Subject papers of 250 marks each.

Which optional subject is best for UPSC CSE?

There is no single best optional subject for UPSC CSE since it depends on the candidate’s academic background and interest. Sociology, Public Administration, Political Science and IR, Geography and Anthropology are popular due to their short syllabus, good GS overlap and high scoring potential. Candidates with strong Science background prefer Mathematics or Physics.

What is the salary of an IAS officer after UPSC CSE selection?

An IAS officer at entry level earns a basic pay of ₹56,100 per month under the 7th Pay Commission. With DA, HRA, TA and other perks, the gross salary ranges from ₹95,000 to ₹1,50,000 per month. Senior IAS officers and Cabinet Secretary earn up to ₹2,50,000 (fixed pay) per month.