How Can Candidates Appear for the IAS Examination

IAS is one of the most reputable positions in the Indian Civil Service Examination(CSE) which is conducted by UPSC  yearly, plenty of students devoted themself to cracking this examination yearly. They prepared for the whole year to qualify for the Prelims, Mains and Interview stages of UPSC. To check all related information about UPSC visit our Page 99NOTES.

Registration Procedure For UPSC Exam

Aspirants who want to apply for the IAS examination, first have to register on the UPSC website and create an account, then by filling out all the important details and paying the fee candidates will get their registration number.  

Step-by-step Process

  1. Candidates have to visit the official website named
  2. Click the official exam notification tab and apply to the online link.
  3. Click the Civil Service part -I registration and a tab will open. Click on the yes button after reading the application form carefully.
  4. A page will open with basic information included such as Candidates Name, DOF, Candidates Category, Gender, Religion, Email ID, Phone Number, Address, Marital Status, Parents’ names and Candidates Educational qualification etc. Candidates have to put all the information.
  5. Then check all the details carefully and click the submit option. 
  6. After that, candidates have to pay the examination fee of Rs. 100 with the payment options available on the site. Here Females, SC, ST and PwBD candidates don’t have to pay for the exam fee.
  7. Now, upload all the identification proofs such as photos, signatures and ID proofs.
  8. Then fill in the details about payment and examination venue.
  9. Click the “I agree” option after reading the declaration form.
  10. By clicking the button candidates will get their registration number. Get a printout for future use.

Important Websites

The IAS examination conduction process is offline. But all the prior procedures went through online. There are two important websites for Civil Service Examination is-

(1) is for all the crucial notifications and news related to the examination.

(2) is for the application of different examinations of government.

Application Withdrawal Process for UPSC

Applicants who want to withdraw their application can do that by doing the below process- 

  1. Click the “What’s New” section after visiting the official website.
  2. Click the option of Withdrawal the application. 
  3. Read all the instructions and click on yes.
  4. Put your registration ID, and enter all the following details.
  5. Now, select the option named Withdrawal your application and press the agree button.

IAS Exam Pattern

Aspirants who qualified for the UPSC Prelims can apply for the UPSC CSE Mains. Only those candidates can apply for the Mains by the submission of DAF 1 or Detailed Application Form 1. And the same prelims candidates who qualified for the Mains can apply for the Personality Test or Interview. They can apply for the Interview by the submission of DAF 2 or Detailed Application Form 2. 

For more information about the IAS Exam Pattern, and Exam Syllabus visit 99 NOTES IAS INSTITUTE.

Exam Pattern for Prelims:


Exam Pattern

No of Papers








General Ability Test

General Studies I

2 marks each in every question



2 hours per paper 

Civil Service Aptitude Test (CSAT)

General Studies II

2.5 marks each in every question



Some Important Facts to Remember About UPSC Prelims

    • In Prelims, both papers are in Qualifying Nature.
    • Both questions are objective types.

General Studies Paper- I covered Syllabus 

  1. Current Events of National & International Importance.
  2. History of India & Indian National Movement
  3. Geography-Physical, Social, and Economic Geography of India and the World.
  4. Polity and Governance of India – Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
  5. Economic & Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives etc.
  6. General issues on Environmental Ecology, Bio-diversity and Climate Change. 
  7. General Science
  1. Comprehension
  2. Interpersonal skills including communication skills;
  3. Logical reasoning and analytical ability.
  4. Decision-making and problem-solving.
  5. General mental ability.
  6. Basic numeracy(numbers and their relations, orders of size etc.)(Class X level), Data interpretation (charts, graphs, tables, data sufficiency etc. – Class X level)
  • There is a negative marking if the candidates give wrong answers.
  • Each wrong answer carries a 1⁄3 mark.
  • 33% is needed for qualifying in the examination.

UPSC Mains Exam Pattern, Duration, Marks & Other details.


Exam Pattern

No of Papers









Paper 1

250 Marks Each


Total 1750

3 hours per paper 

Paper 2

Paper 3

Paper 4

Paper 5

Paper 6

Paper 7

Qualifying Based

Paper A

300 Marks Each

Paper B

Some Important Facts to Remember About UPSC Mains

  • In Prelims, both papers’ questions are in subjective types.
  • It is an Offline mode exam.
  • The language of the question paper is Hindi and English.
  • The Qualifying Mains includes Paper-A and Paper-B.
  1. In Paper-A, any of the Indian Languages of the candidates’ choice is to be selected from the ones included in the 8th schedule of the constitution.
  2. Paper- B is for the English language.
  • Merit Based papers covered Syllabus-

  1. Paper-1 :Essay Writing
  2. Paper-2 : General Studies-I ( History– Ancient India, Medieval India, Modern India, World History, Indian Heritage and Culture, Post Independence India; Geography– Fundamental Physical Geography, Fundamental Human Geography, Indian Physical Geography, Indian Human Geography; Society– Salient Features of Indian Society,

Population, Social Empowerment, Poverty and Development, Urbanisation, Globalization, Communalism Regionalism and Secularism)

  1. Paper-3: General Studies-II ( Indian Governance– Important Aspects of Governance, Role Of Civil Services, Government Policies & Development Processes, Vulnerable Sections; Indian Polity Indian Constitution, Legislature, Executive, Judiciary,  Statutory and Non-Statutory Bodies, Pressure Groups and Associations; International Relations– India and Its Neighbourhood, Bilateral Relations and Agreements, Indian Diaspora, Important International Institutions)
  2. Paper-4: General Studies-III ( Indian Economy- Government Budgeting and Planning, Banking, Liberalization, Privatisation and Globalisation, Inclusive Growth and Employment, Investment, Development of Industries, Infrastructure; Agriculture- Major Crops and Irrigation Systems, Agricultural Industries and Marketing, Government Schemes and Their Impact, Technology in Agriculture, Animal Husbandry, Land Reforms in India; Science & Technology- Basic Science, Applications in Everyday Life, Achievements of Indian Science and Tech, Intellectual Property Rights, Emerging Technologies; Environment- Vegetation and Wildlife Conservation, Environment Pollution, Disaster Management, Environment Impact Assessment; Internal Security- Terrorism, Extremism and Organized Crime, Border Security, External State and Non-State Actors, Cyber Security, Security Forces of India)
  3. Paper-5: General Studies-IV (Ethics & Human Interface Indian Economy, Attitude, Aptitude For Civil Services, Emotional Intelligence, Moral Thinkers & Philosophers, Civil Service Values, Ethical Issues in International Relations, Corporate Governance, Probity in Governance, Case Study on the above Issues)
  4. Paper-6: Optional Subject- Paper1
  5. Paper-7: Optional Subject– Paper2

UPSC Interview Pattern & Marks Required?

Exam Pattern


Interview or Personality Test


Some Important Facts to Remember About Interview

  • The Interview is the last stage of the IAS examination and is also known as Personality Text.
  • The total time duration for the Interview is 30 Minutes and it carries 275 marks out of 2025 marks in the Mains.
  • The Interview is not merit-based rather it is more like an assessment of personal development. 
  • The interviewing panel will ask the aspirants about their abilities and practical mindset about how much they can take on the responsibilities of a civil servant.

Exam Pattern


Total in Mains Written


Personal Interview


Total (By Merit Calculation)


Eligibility Criteria for UPSC IAS Exam : Explained

A UPSC Candidate can be qualified for the examination if they fulfil the Eligibility Criteria of the IAS Examination.


The Depending factors of Eligibility are-


  • Indian or someone from Nepal, Bhutan, or Tibet

  • Persons of Indian lineage from Vietnam, Pakistan, Sri Lanka and Burma who permanently moved to India for dwelling.

  • People from East African countries like Kenya, the United Republic of Tanzania, Zambia, Malawi etc.

Age Limit and Attempt Limits

  • A General Candidate can do 6 attempts till age 32.
  • An EWS Candidate can do 6 attempts till age 32.

  • An SC/ST Candidate can do unlimited (up to the age limit) attempts till age 37.

  • An OBC Candidate can do 9 attempts till age 35. 

  • Disabled Defend Services Personnel can do 9 attempts till age 35.

  • An Ex-Serviceman can do 9 attempts till age 37.

Educational Qualification 

A candidate must hold a Graduation or bachelorette degree.

Medical Condition

Candidates have to pass the proper medical test.


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