UPSC IAS 2020: Answer Key, Question Paper, Mains Exam Date, Syllabus, Pattern, Vacancies, Eligibility, Notification PDF

UPSC IAS 2020: UPSC IAS Prelims Answer Key 2020 is now available along with Question Papers at PDF Download here. UPSC will release official answer key soon Check here UPSC IAS Notification PDF 2020, Selection Process, IAS Syllabus, Exam Pattern, Important Dates, Question Papers, Important Topics and others.

Oct 16, 2020, 13:12 IST

UPSC IAS 2020: Union Public Service Commission conducted the UPSC Civil Services Prelims 2020 exam on October 4, 2020 for the recruitment of 796 vacancies in Indian Civil Services of IAS/IPS/IFS/other posts. The UPSC IAS Prelims Answer Key and Question Paper 2020 is now available at PDF Download the IAS Prelims Answer Key 2020 from link given below. In this article, we have shared the complete details of UPSC Civil Services IAS Notification 2020 including IAS Selection Process, IAS Syllabus for Prelims/Mains, Exam Pattern, Preparation Tips & Strategy and Previous Year's Question Papers. IAS Aspirants who have filled the UPSC IAS Application Form 2020 cshould go through the given details and start preparations now for the UPSC Civil Services Exam 2020. UPSC conducts the Civil Services exam every year to recruit IAS/IPS/IFS officers at all India level. The recruitment is carried out through two different phases - IAS Prelims Exam and IAS Mains Exam & Interview Round.

UPSC IAS Answer Key 2020 & Question Paper - Paper 1 & All Sets

UPSC IAS Answer Key & Question Paper 2020 - Paper 2 All Sets

The IAS 2020 Recruitment will be carried out through exams. The IAS Exam Date 2020 is already out. UPSC Civil Services IAS Prelims Exam will be held on 4th October 2020 and IAS Mains will be held on 8 January 2021. Candidates need to qualify all the three rounds to get recruited in the Civil Services. Getting through the Interview and fetching that renowned post of IAS/IPS/IFS is a dream of every IAS Aspirant. We have tried to make it a little easy for you to prepare for the IAS exam by providing you with all the important details that you need to know. So, have a look at the IAS Exam Dates, Eligibility Criteria, Exam Pattern, Syllabus and selection process and prepare a complete study plan now for IAS Preparations.

Download UPSC Civil Services Exam Notification PDF 2020

UPSC IAS 2020: Important Dates



Release of IAS Notification 2020 PDF

12 February 2020

Start Date of IAS Application 2020

12 February 2020

Last Date of IAS Application 2020

3 March 2020

Release of IAS Admit Card 2020

September 2020 (Tentative)

IAS Prelims 2020 Exam Date

4 October 2020

IAS Mains 2020 Exam Date

8 January 2021

IAS Selection Process 2020

Candidates who want to seek recruitment in Civil Services IAS/IPS/IFS need to undertake:

• IAS Prelims

• IAS Mains & Interview

UPSC IAS Preliminary Exam is qualifying in nature. The marks of IAS Prelims are not considered in final merit list, from which the selection of candidates is made. The UPSC prepares the final merit list on the basis of marks secured by candidates in IAS Mains exam and Interview.

IAS Prelims Exam Pattern 2020


Total Questions


Time Duration

Paper I: General Studies



2 Hours

Paper II: GS (CSAT)



2 Hours

• In IAS Prelims exam, questions will be asked in Multiple Choice Questions (MCQ) format

• There will be Negative Marking of 1/3rd marks (0.66) for each wrong answer

• GS Paper II (CSAT) is qualifying in nature; you need only 33 percent marks to clear this paper

• In the PwD category, blind candidates are allotted 20 minutes extra for each paper

IAS Mains Exam Pattern 2020


Name of Paper

Nature of Paper

Time Duration


Paper – A

Any Indian Language



3 Hours


Paper – B



3 Hours


Paper I


Merit Ranking

3 Hours


Paper II

General Studies I

3 Hours


Paper III

General Studies II

3 Hours


Paper IV

General Studies III

3 Hours


Paper V

General Studies IV

3 Hours


Paper VI

Optional Paper I

3 Hours


Paper VII

Optional Paper-II

3 Hours




Interview Round


Grand Total


• IAS Mains exam is objective as well as descriptive in nature

• Candidates need to obtain IAS Cut off marks to qualify this round

•  The cut off is decided on the basis of total vacancies, the difficulty level of paper and candidates appearing for the exam.

- There will be Negative Marking of 1/3rd marks (0.66) for each wrong answer in objective paper only

IAS Syllabus 2020

In IAS Prelims exam, the syllabus covers subjects like History, Polity, Geography, Economy, Environment & Ecology, General Science and Current Affairs. Have a look at the detailed syllabus of UPSC IAS Civil Services on the link mentioned below:

UPSC IAS Syllabus 2020

IAS Important Topics

Have look at the most important topics of Current Affairs for IAS Prelims as well as IAS Mains 2020:

UPSC IAS Current Affairs Topics

IAS Exam Preparation Tips & Strategy

- Read Newspaper daily such as The Hindu, Economic Times, others

- Get yourself acquainted with the most important Current Affairs topics by going through reliable sources such as; Yojana & Frontline magazines; PIB, News on Air.

- Keep an eye on the latest happenings and try to link them with the UPSC IAS Syllabus. If you find it relevant, then prepare it thoroughly.

- Go through the IAS Previous Years’ Question Papers to brush up your preparations

- Read complete NCERT books from 9th to 12th standard of subjects link Geography, Polity, Economics, History, Science, and Maths.

- Prepare notes every time you are reading. For IAS Prelims, prepare short notes in bullet points and for IAS Mains, prepare descriptive notes.

- Prepare for General Studies CSAT by practising more and more mock tests and important questions. CSAT paper tests your accuracy and time management.

- Revise the sample papers or practice sets you have already attempted. This will help you in knowing your weak and strong areas.

IAS Exam Preparation Tips

UPSC IAS Question Papers

UPSC IAS Prelims Question Paper GS (Paper-1) 2019 with Answer Key Download PDF
UPSC IAS Mains 2019 Question Paper Download

UPSC IAS Application Process 2020

UPSC has activated the online link of IAS Application Form 2020 on 12th February @ Candidates need to apply online and pay the application fee on time to sit for IAS Prelims Exam 2020. Have a look at the detailed application process below:

Step 1: IAS Registration 2020

First, register yourself for the UPSC IAS 2020 Exam by filling the required details. Here s the step-wise process:

• Visit

• Click on ‘UPSC Civil Services Examination 2020’

• Fill your Name, Date of Birth, Mobile Number, Email Address & captcha code

• You get your IAS Registration Number

Step 2: IAS Application Form 2020

To fill the UPSC Civil Services application, follow these steps:

• Log-in by entering your Roll Number and Password or Date of Birth

• Fill your personal details, educational qualification, age, gender, religion, & others

• Upload scanned images of your Photo & Signature

• Pay Application Fee through Debit Card/Credit Card/Internet Banking or Offline through e-challan of SBI Bank

IAS Application Fee 2020



General, EWS & OBC

Rs 100

SC, ST, PwD & Female


UPSC IAS 2020 Registration Check How to Apply Online!
UPSC IAS 2020: ऑनलाइन एप्लीकेशन फॉर्म कैसे भरें?
IAS Eligibility Criteria 2020

The eligibility criteria of the UPSC IAS Civil Services exam includes age limit, educational qualification, nationality and number of attempts. The eligibility criteria is different for all categories such as GEN/EWS/OBC/SC/ST/PWD. Have a look:

Nationality: Citizen of India OR Tibetan refugee who came to India before January 1, 1962, OR person of Indian origin who migrated from Sri Lanka, Pakistan, Burma, Vietnam, Kenya, Uganda, Tanzania, Zambia, Malawi, Zaire, and Ethiopia

Educational Qualification: Graduate Degree in any discipline of University/Institution established or incorporated by an Act of Parliament or declared a Deemed University under the UGC Act, 1956

Note: No requirement for any minimum percentage

Age Limit: The minimum age limit is 21 years and the maximum age limit is different for different categories:

• General: 32 years

• OBC: 35 years

• SC & ST: 37 year

• PwD: 42 Years

Number of Attempts: Have a look at the maximum number of attempts allowed for each category:

• General: 6 Attempts

• EWS: 6 Attempts

• OBC: 9 Attempts

• SC & ST: Till the Age limit

• PwD: 9 Attempts for OBC; Till the Age limit for SC/ST

For detailed eligibility, visit:

Eligibility Criteria for UPSC IAS Exam 2020

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