IAS Full Form: Know About UPSC CSE 2023 Civil Services Exam

IAS Full Form: Check the full form of IAS and important details on the UPSC CSE 2023 Civil Services Exam held by the Union Public Service Commission every year.
Archana Shandilya
Know About UPSC CSE IAS 2023 Civil Services Exam

IAS Full Form: IAS stands for Indian Administrative Services. Union Public Service Commission conducts civil services exams every year to recruit eligible & deserving candidates for the post of IAS Officer. The UPSC CSE exam is one of the toughest examinations in the country. More than 10 lakhs of candidates appear for this exam every year, but only a few of them could crack it and secure the IAS officer post. There are a few important facts about this exam that should be known by all the candidates aspiring for the UPSC Civil Services Exam. Hence, we have shared below all the relevant information related to the IAS exam that would ease their preparation journey.

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UPSC IAS Overview

Have a look at the table shared below to know the complete overview of the UPSC Civil Services Examination;

Conducting Body

Union Public Service Commission

Exam Name

Civil Services Exam




Once a Year

Mode of Exam


Selection Stages

Preliminary Exam, Mains Exam, and Personality Test (Interview) Round

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UPSC IAS Eligibility Criteria

Candidates must satisfy all the UPSC IAS eligibility criteria before applying for the post. There are various factors associated with the IAS eligibility conditions like age limit, educational qualification, and nationality as shared below:


A candidate must be either

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Age Limit

The age of the candidate must be between 21 years-32 years as of the prescribed date when applying for the UPSC Civil Services Examination. However, there shall be a relaxation on the upper age limit of the reserved categories candidates.

Minimum Educational Qualification

Candidates must possess a graduation degree from any recognized University in order to be considered eligible to apply for the UPSC IAS recruitment process.

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UPSC IAS Exam Pattern

The UPSC IAS selection process comprises three stages i.e  Civil Services (Preliminary) Examination (Objective type), Civil Services (Main) Examination, and Interview round. Check out the IAS exam pattern for all three stages shared below:

Preliminary Examination

The Prelims exam is a screening test only. It comprises two papers of objective type and carries a maximum of 400 marks. There will be a negative marking of 1/3rd marks for each incorrect answer marked by the candidates.


Number of Questions

Maximum Marks


General Studies I



2 hours

General Studies II (CSAT)



2 hours



4 Hours

Mains Examination

The IAS Mains Exam consists of 9 papers of conventional essay type. There will be two qualifying papers and seven merit-based papers. The duration of each paper will be three hours.



Maximum Marks


Paper A

Compulsory Indian Language

300 Marks

3 hours

Paper B

English (Qualifying)

300 Marks

3 hours



250 Marks

3 hours


General Studies-I

250 Marks

3 hours


General Studies -II

250 Marks

3 hours


General Studies -III

250 Marks

3 hours


General Studies -IV

250 Marks

3 hours


Optional Subject - Paper 1

250 Marks

3 hours


Optional Subject - Paper 2

250 Marks

3 hours

Personality Test/Interview Round

Candidates who will qualify in the mains examination will be shortlisted for the interview/personality test round. The UPSC Interview/Personality Test will be conducted for a total of 275 marks. The marks secured in the Civil Services (Main) Examination and Interview/Personality Test) would determine the final ranking of the candidates.

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How to ace the UPSC IAS exam in one attempt

Candidates must adhere to the UPSC IAS preparation tips and choose the finest books to crack the upcoming exam in one go. Check out the expert-recommended tips & tricks shared below:

We hope this article on the UPSC Civil Services Exam was helpful for the candidates. Candidates must be well versed with the eligibility criteria, and exam pattern and follow the right preparation strategy to ace the IAS exam in a single attempt.


Q1. How many selection stages are there in the UPSC Civil Services IAS Exam?

There are three stages in the UPSC IAS exam i.e Preliminary Exam, Mains Exam, and Personality Test/Interview round.

Q2. What should be the age limit to apply for the UPSC IAS exam?

The age of the candidate must be between 21 years-32 years as of the prescribed date when applying for the UPSC Civil Services Examination

Q3. For how many marks is the UPSC CSE Prelims exam conducted?

The UPSC IAS Prelims exam comprises two compulsory papers of 200 marks each and each paper will be of two hours duration.

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