IES Answer Key

The Union Public Service Commission or the UPSC of India conducts the annual IES examination for candidates to be recruited for various Engineering posts under the Government of India. This examination is of great importance. The IES answer key is the list of answers to the questions that have appeared in the examination paper. The answer key is of immense significance to candidates, as it allows them to tally their own answers with the answers published. This way, they can estimate their aggregate. Here we will be focussing on the various details about the answer key for the IES examination.

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Candidates can also check the details of the official UPSC Prelims Answer Key 2021 in the linked article.

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Steps to Check and Download the IES Master Answer Key

The answer key of IES 2021 can be accessed by applicants by following these simple steps:

Step 1: Visit the official website of the UPSC (

Step 2: Click on the Examinations option on the homepage and select the section for Answer Keys.

Step 3: Click on the option for the UPSC ESE or IES Answer Key 2021.

Step 4: A new page would appear on the device showing the answer key, which candidates may download.

Step 5: Check the answer key for the respective set of the question paper.

IES Answer Key Important Dates

The IES answer key is generally released by the UPSC after two or three days of the written examination. The date of the Prelims of IES had been announced to be on 20th February 2022. So, the answer key is made available to candidates on the tentative dates of 22nd February 2022 or 23rd February 2022. However, the examination date or answer key for the Mains examination has not yet been announced by the UPSC.

Stage-Wise UPSC IES 2021 Answer Key Details

The UPSC conducts the IES examination in three primary stages- The Prelims, the Mains and the Personal Interview. The IES Prelims for 2022 was conducted on 20th February 2022. The answer key was made available to the applicants after two to three days.

This stage of the IES answer key is crucial in determining which candidates are qualified to appear for the Mains examination. Similarly, the Mains answer key for IES is also released two to three days after the examination. This Mains answer key is yet another important piece of information for the candidates since the answer key at this stage is used by candidates to narrow down their chances of being selected for the third round of the personal interview.

The personal interview stage is the final stage of the selection process, after which the final aggregate scores of the candidates are determined.

Advantages of the IES Answer Key

The UPSC IES 2021 answer key has numerous advantages, such as:

  • The answer key successfully reveals the correct answers for its questions to the candidates, which makes the candidates more aware of their own performance.
  • The answer key serves as a guide to practice and refer to for future examinations.
  • The answer key is also a gateway for students to raise objections about any answer, which creates transparency and accountability for the UPSC.

IES Exam Pattern

The IES examination takes place in three stages:

Stage 1: The Prelims – The written examination with an aggregate of 500 marks

Stage 2: The Mains – The written examination with an aggregate of 600 marks, and

Stage 3: The Personal Interview – The personality test with an aggregate of 200 marks

There it is, a highly detailed and comprehensive run-through of the IES answer key. We hope this is of help to you.

For the Best preparation strategy for competitive exams candidates can visit the linked article and get detailed study material and preparation tips to excel in the examination.

Apart from this, to get the latest exam updates, study material, notes, and other relevant information, candidates can turn to BYJU’S for help and get expert assistance.

Frequently Asked Questions on IES Answer Key


How can I access the IES answer key?

The answer key can be accessed by visiting the official website of the UPSC. The answer key is usually stored in a separate tab that individuals have access to on the internet.


Is the IES answer key important for the final result?

Yes, the answer key published by the IES is important for the final result. The final results are determined based on the answers of the answer key, which is why candidates are asked to raise objections.


What is the number of IES vacancies?

The number of IES vacancies vary from year to year. In 2022, the number is 495.

Related Links:

UPSC Cut-Off

UPSC Syllabus

UPSC Results

UPSC Monthly Current Affairs Magazine

UPSC Prelims

UPSC Mains

UPSC Books

Civil Services Exam

UPSC Notification

NCERT Notes for UPSC Preparation


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