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UPSC CiviL Service Exam || IAS Full details


CiviL Service Exam || IAS

The CSE -【IAS】 -Exam is followed from  the British times  of ICS Imperial Civil Service Exam as well as the  service exam  conducted by the Mauryan Empire or  Mughal Empire  It is the most difficult and high level competitive MCQ paper based examination in India only A single attempt needs  2 complete years of preparation  1 year before the prelims exam  and another 1 year after the  prelims to the interview As per the Artcle  320 of constitution of india it is  the duty of the Union Public Service Commissions (UPSC) to conduct the civil service examinations for appointments to the administrative services of the country. the examination will be includes the 24 different  posts for Civil Services are filled through Civil Service Examination CSE conducted by UPSC.. Although there are (24)  different Civil Service departments the most popular service departments  are Indian Administrative Services 【IAS】Indian Police Services 【IPS】 and Indian Foreign Services 【IFS】. The Allotment of Services to the  candidates are depends on their rankings obtained in the Civil Service Examination.

There are Three  Types of Civil Services 

1.All India Civil Services

  • Indian Administrative Service (IAS)

  • Indian Police Service (IPS)

2.Group ‘A’ Civil Services

1 Indian Foreign Service

2 Indian Revenue Service 

3 Indian Revenue Service 

4 Indian Trade Service

5 Indian Postal Service

6 Indian Corporate Law Service

7 Indian Ordnance Factories Service

8 Indian Information Service

9 Indian Telecommunication Service

10 Indian Railway Traffic Service

11 Indian Railway Accounts Service 

12 Indian Railway Personnel Service 

13 Indian Railway Protection Force Service

14 Indian P&T Accounts and Finance Service 

15 Indian Audit and Accounts Service 

16 Indian Civil Accounts Service

17 Indian Defence Accounts Service

18 Indian Defence Estates Service

3. Group ‘B’ Civil Services

1 Armed Forces Headquarters Civil Service



UPSC conduct exams  in 3 phases and total allowed marks is 2025 

1 Prelims exam test

2. Mains exam test

3.interview (Personality test )

Stage I: Pre-exam

The Prelims Exam  application advertisement is issued in the month of February And the Date of closure of that application is in the     March along that the prilims-exam Held in June month of  every year and the Results are announced in the month of  August

Stage II: MainsExam-

MainsExam  Held in the  October month of every year and the Results are announced in the January. Month 

Stage iii : Interview 

Interview known as Personality Test Held in March month and the  Final results of selected candidates are usually announced in the  May month then the training program for all the selected-candidates are  usually takes in  the  September month

Civil Service Commission Paper and Marks details

Civil Service Commission (IAS)


Name of paper


Preliminary Examination


General study -1



General study -2

Qualifying paper 33%


Mains Examination 


Any Indian language 

Paper(Qualifying paper 33%)



English(Qualifying paper 33%)


Paper marks to be counted for merits***





GS-1 (indian Heritage & culture history & geography of world& society)



GS-2 (Governance, Constitution, Polity, Social Justice & International relations)



GS-3(Technology, Economic Development, Biodiversity, Environment, security,& Disaster management)



GS-4(Ethics Integrity and Aptitude



Optional subject-1



Optional subject-2





Total Marks 


Preliminary Exam    

The pattern of the Prelim- exam up to the 2010 was based on  recommendation of the KOTHARI-COMMISSION  1979 which further  included two exam

  •  one is  general studies -1 which is 150 marks  

  •  second is general study- 2  based on the  one of 23 optional subjects worth 300 marks Until 2011

In  2011   preliminary exam pattern was sustained with  minor changes and  From 2011 onwards  The new prilim exam  pattern includes GS1&2 papers of 2 hours duration with  200 marks each paper Both papers have MCQ type questions only  They are follows as 

GS Paper- I exam  the candidate's should have the knowledge on current events full   history of India along with  Indian national movement  world and Indian geography  Indian polity and   governance, panchayti Raj system,economics  and social development biodiversity environmental ecology  climate change  general science and Art and culture.

GS Paper - II (moderately called  Civil Services Aptitude Test CSAT ) exam  the candidate's should have knowledge in comprehension,.communication ,interpersonal skills,, logical reasoning, decision making ,analytical ability,, problem solving,data interpretation basic numeracy,, English language comprehension skills &  mental ability 

GS-2 exam  is qualifying in nature exam and the marks obtained in GS-2  paper are not added  to  merit list However it is mandatory to score a minimum of 33 %  in this paper to Qualify the Prelims-exam

In August 2014, the UPSC   announced that English subjects  marks in CSAT exam will not be added  for gradation or merit list and 2011 candidates  got a second chance again  to appear in  the test next year

In May 2015, the Government of India through upsc  announced that GS Paper II of the prelims-exam will be Qualifying in nature and the  candidates  will need to score at least 33 percent to be eligible for the grading on the basis of their marks of GS Paper I of the Prelim-Exam Those who Qualify the Prelims will be  eligible for the Mains-exam


The Civil Services Commission Mains-written exam includes of 9-papers  2-papers are  qualifying nature  papers and 7-papers are  ranking in nature based papers  The  Questions will be  vary from  1- mark to 60- marks and candidate can write twenty words to 600 words answers for each and following questions. The  duration of each papers are  3 hours.

The CSE-IAS Mains-Exam is a written paper based  examination which is consists of the 9 papers

Paper-1  Indian Language || 300 Marks

Paper-2 English ||. 300 marks

Paper-3 Essay writing || 250 Marks

Paper -4 General Studies- I

Paper -5 General Studies-2

Paper -6 General Studies-3

Paper -7 General  Studies-4

Paper -8 Optional Subject Paper-1 || 250||

Paper -9 Optional subject Paper-2 || 250 ||

Candidates who pass the mains exam are ranked list wise  according to their  marks and the  selected candidates are further called for an interview by the  Commission..

In 2013 there were  some changes made in the mains exam  by  the  suggestion of the Professor . Arun. S Nigavekar Committee

According to this committee new marks allocated in Civil Service Exam , the qualifying papers for English and  Indian languages were restored 

List of languages   

The examination has  following languages with the script in brackets A candidate can choose any one of the following for their exam 

1.Hindi (Devanagari)

2 Sanskrit (Devanagari)

3 English (English)

4 Punjabi (Gurumukhi)

5 Dogri (Devanagari)

6 Kashmiri (Persian)

7 Gujarati (Gujarati)

8 Bengali (Bengali)

9 Nepali (Devanagari

10 Tamil (Tamil)

11 Assamese (Assamese)

12 Bodo (Devanagari)

13 Kannada (Kannada)

14 Konkani (Devanagari)

15 Maithili (Devanagari)

16 Malayalam (Malayalam)

17 Manipuri (Bengali)

18 Marathi (Devanagari)

19 Odia (Odia)

20 Santhali (Devanagri or Ol Chiki)

21 Sindhi (Devanagari or Arabic)

22 Telugu (Telugu)

23 Urdu (Persian)

List of Optional Subjects   

The subjects  for Papers VI and VII are following below a candidate can select any one of the subject as their preference the optional subject exam will execute

1 History

2 Geography

3 Economics

4 Commerce and Accountancy

5 Physics

6 Chemistry

7 Mathematics

8 Medical Science

9 Anthropology

10 Civil Engineering

11 Electrical Engineering

12 Mechanical Engineering

13 Agriculture

14 Animal Husbandry and Veterinary Science

15 Botany

16 Geology

17 Literature in any one of the languages listed above

18 Law

19 Philosophy

20 Political Science & International Relations

21 Psychology

22 Public Administration

23 Sociology

24 Urdu

25 Statistics

26 Zoology


The interview is Officially called Personality Test the purpose of the interview is to know  the personal ability of the candidates. The allowable marks for interview section is 275 marks 

During the interview all the qualities of candidates  to be judged such as balance of judgement , mental alertness,   clear and logical exposition critical powers of assimilation  variety and depth of interest in the relatively aksed question, ability for social activities and leadership 

Candidates are expected to have an  interest not only in their academic study subjects but also in the current events which are processing  around them either  inside  and outside of  their own state and  country as well  

The interview level  are very high  standard and require hard  preparation as well as strong commitment

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Union Public Service Commission


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