IES Exam 2021: Full Form, Exam Date, Notification, Registration, Vacancy, Latest News

Exam Date

Jul 18, 2021

Jun 17, 2021


Indian Engineering Services is regarded as the topmost Engineering job in the country. To join this elite service, you have to appear for the IES Exam conducted by the United Public Service Commission (UPSC). (ISE) Indian Engineering Services is also known as (ESE) Engineering Services Examination. Read about the details regarding the IES 2021 exam below.

Latest Updates:

  • Jun 16, 2021: UPSC has released the timetable for UPSC ESE Preliminary Examination 2021 on its official website. The exam will be held on Jul 18, 2021.
  • May 06, 2021: Application withdrawal form for UPSC ESE 2021 is released. Click here to withdraw candidature.
  • April 13, 2021: The final result for UPSC ESE 2020 is released. Candidates can check the same on UPSC ESE Result.


What is IES Exam?

About IES Exam: UPSC conducts the IES (Indian Engineering Services), every year. This is the entrance exam for engineering candidates of technical graduates to serve under the government of India. UPSC ESE consists of various sectors like Railroads, Telecommunication, Public Works, Powers etc. UPSC ESE exam consists of five tests conducted in three-stages by the UPSC for recruiting IES personnel. UPSC has released a total of 495 vacancies for the year 2021.


UPSC IES is conducted by the Union Public Service Commission of India and it is a National level exam. The headquarters of UPSC are located at Dholpur House, Shahjahan Rd, Pandora Rd, New Delhi-110003.

Courses Offered: IES examination is conducted to recruit aspiring candidates into engineering positions of various departments. Major departments of engineering involved are Civil Engineering, Electrical Engineering, Mechanical Engineering, Electronics, and Telecommunication Engineering.

Recruitment is done for Group-A and Group-B technical posts. Recruitment has three stages. Preliminary Exam, Mains Exam, Personality Test. The examination is being conducted in two parts of the written examination.

IES Exam Highlights

UPSC IES 2021 at a glance
IES 2021 Exam Highlights
Exam Name Indian Engineering Services/ Engineering Services Examination
Acronym IES
Conducting Authority Union Public Service Commission
Exam Level National
Mode of Test Offline
Frequency Once a year
Exam Medium English
Negative Marking
  • Negative marking will be there for Prelims
  • No negative marking will be there for Mains
Application Mode Online
Expected number of registration Approx 2 lakhs

IES 2021 Exam Dates

Candidates aspiring to write the UPSC IES 2021 exam must be well aware of the important dates. The application form filling window for UPSC IES had started from Apr 7, 2021 and the last date to apply was on Apr 27, 2021.

The Prelims exam will be conducted on Jul 18, 2021 and the results will be published in the month of September 2021 tentatively. The Mains exam will be conducted in two shifts (9.00 AM to 12.00 Noon and 2.00 PM to 5.00 PM). Candidates can refer the table given below for the UPSC IES 2021 exam dates.

UPSC IES Exam Dates 2021
Event Date
UPSC IES 2021 Notification Release April 07, 2021
Availability of UPSC IES 2021 Application Form Apr 7, 2021 to Apr 27, 2021
UPSC IES 2021 Prelims Admit Card Release Date To Be Announced
UPSC IES 2021 Exam Date (Prelims) Jul 18, 2021
UPSC IES 2021 Prelims Results September, 2021
UPSC IES 2021 Mains Admit Card To Be Announced
UPSC IES 2021 Exam Date (Mains) To Be Announced
UPSC IES 2021 Mains Exam Result To Be Announced

IES 2021 Recruitment

Candidates are required to qualify all three stages of the UPSC IES 2021 exam. There will be a Preliminary exam, Mains exam and a Personality test. All these three tests/stages will be qualifying in nature. Recruitment will be done for the following categories for Group A/B posts:

  • Category I - Civil Engineering
  • Category II - Mechanical Engineering
  • Category III - Electrical Engineering
  • Category IV - Electronics & Telecommunication Engineering

As per the notification released, there are approximately 495 vacancies to be filled under UPSC IES Recruitment.

IES 2021 Vacancy

As per the official notification released by the UPSC, a total number of vacancies available is 495. These vacancies include 21 vacancies for Persons with Disabilities (PwD). Break-up of the seats under PwD category is as follows:

  • For Low Vision candidates - 03
  • For Locomotor Disability including Leprosy cured, Dwarfism, Acid Attack victims and Muscular Dystrophy- 11
  • For Hard hearing candidates - 07

IES 2021 Eligibility Criteria

Before a candidate registered for this exam, he/she should ensure that he/she is satisfying all the eligibility criteria for the examination. Eligibility criteria include nationality, age limit, age relaxation, educational qualification and many more. Some of them are discussed below:


  • A citizen of India or
  • A subject of Nepal/Bhutan or
  • A Tibetian refugee who came to India before January 1, 1962, intending to settle in India or
  • A person is of Indian origin who has migrated to India from Ethiopia, Tanzania, Zambia, Malawi, Zaire, Kenya, Uganda, Pakistan, Burma, Sri Lanka or Vietnam intending to permanently settle in India.

Age Limit

Applying candidate should be of 21 years of age, but should not have attained the age of 30 years as on January 1, 2021. In other words, he/she should not have been born before January 2, 1991, and not later than January 1, 2000.

Relaxation of certain specified years will be provided in the upper age limit for the candidates given below:

Category Age Relaxation
SC/ST 5 years
OBC 3 years
Candidates who have been domiciled in Jammu & Kashmir from January 1, 1980, to December 31, 1989 5 years
Disabled Defence Services personnel who have become disabled in hostilities with any foreign country or a disturbed area 3 years
Ex-Servicemen 5 years
A person with benchmark disability (low visibility, deaf, hard of hearing, Locomotor Disability including Leprosy cured, Dwarfism, Acid Attack victims, and Muscular Dystrophy) Up to a maximum of 10 years

Educational Qualification

For a candidate to satisfy the eligibility criteria for the UPSC IES examination, he/she must have satisfied the following criteria:

  • Passed Sections A and B of the Institution Examinations of Institution of Engineers, India. OR
  • Obtained a Degree/Diploma in Engineering from a foreign University/College/Institution which is recognized by the Government. OR
  • Passed Graduate Membership Examination of Institution of Electronics and Telecommunication Engineers, India. OR
  • Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India. OR
  • Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959.

IES 2021 Application Process

Candidates aspiring to write the UPSC IES exam must complete the application process before the last date. The application was started on Apr 7, 2021 and the last date to fill the form was on Apr 27, 2021. Candidates can follow the step by step procedure to apply for the UPSC IES 2021 as given below:

  • First of all, candidates need to visit the official website of the UPSC i.e.
  • Upon reaching the homepage of the official website, you will have to click on the notification "Online Application for various examinations of UPSC".
  • After clicking on that, you will be directed to a page that will have an application form UPSC IES. The form has to be filled in 2 parts. Part-I will be for the registration of the candidate. Whereas, Part-II will be for filling in the detailed information about yourself. The form will be available in English and Hindi.
  • For first-time applicants, you have to start filling the Part-I. After you fill the details like your Name, Parent's Name, email ID, mobile number, gender, category etc. Afterwards, your Registration ID will be generated. You have to note it down and keep it safe.
  • In the next step, you will need to continue the application filling process. You have to click on Part-II of form filling. You have to log in with your "Registration ID" and enter your "Date of Birth" as a password.
  • In the next step, you have to fill in all the details and upload the image files of your photograph and signature not exceeding 300 KB and 20 KB respectively.
  • Upon doing that, the last step for the completion of the application process will be the payment of the fees. A candidate has to pay the fee to complete the application form.
  • Now, the application form will be complete and you will have to take have print-out of the same for future references.

UPSC IES 2021 Application Form

Candidates must ensure that they have all the prerequisite documents at the time of filling the UPSC IES application form. Also, candidates must ensure that they upload the correct specifications of the documents as prescribed by the UPSC. The detailed list of documents and application form fee is mentioned below.

Documents required to fill the IES application form

  • Government Identity card such as
    • Aadhar card
    • Driving License
    • Passport
    • Voter ID card
    • PAN card
  • Scanned photograph
  • Scanned signature
  • Caste certificate
  • Certificate of disability
  • Certificate to prove minority

UPSC IES 2021 Application Fee

The application fee for all the categories is mentioned below.

Category Application Fee
General/OBC INR 200
SC/ST/PH/Female Candidates Exempted

Document Specifications for UPSC IES application form

Candidates must ensure that they upload the correct size and format of the relevant documents as shown in the table below.

Document Size Format
Scanned Photograph 20 KB -300 KB JPG only
Scanned Signature JPG only
Scanned ID proof PDF only

IES 2021 Exam Pattern

UPSC IES exam will be conducted in two phases: Preliminary exam and Mains exam. Both exams will be conducted in offline mode i.e. Pen and paper mode. For all the categories, UPSC IES exam pattern will be the same.

IES Prelims Exam Pattern

Preliminary Exam will be pen and paper-based exam conducted in offline mode which consists of Paper-I and Paper-II. Paper-I will be of 200 marks and Paper-II will be of 300 marks. Paper-I will be comprised of questions based on General Studies and Engineering Aptitude. Paper-II will be testing the knowledge of the candidate in the core engineering field (out of Civil/Mechanical/Electrical/Electronics and Telecommunications Engineering). There will a deduction of 1/3 marks for every wrong answer.

UPSC IES 2021 Preliminary Exam Pattern
Paper Testing Area Marks Time Allotted
Paper-I General Studies & Engineering Aptitude 200 2 hrs (120 minutes)
Paper-II Civil/Mechanical/Electrical/Electronics and Telecommunications Engineering 300 3 hrs (180 minutes)
Total - 500 5 hrs

IES Mains Exam Pattern

Mains exam will also consist of Paper-I and Paper-II which will be conventional type papers in Engineering Discipline of 300 marks each. Time allotted to finish both the papers will be 3 hours each. There will be no negative marking in the UPSC IES Mains 2021 exam. There will be eights questions out of which the candidates have to attempt at least five questions.

UPSC IES 2021 Mains Exam Pattern
Paper Testing Area Max Marks Time Allotted
Paper-I Civil/Mechanical/Electrical/Electronics and Telecommunications Engineering 300 3 hrs (180 minutes)
Paper-II Civil/Mechanical/Electrical/Electronics and Telecommunications Engineering 300 3 hrs (180 minutes)
Total - 600 6 hrs (360 minutes)

IES Personality Test Pattern

After qualifying both the prelims and the mains exams, a candidate will be called for a personality test which will be carrying 200 marks.

IES 2021 Syllabus

For Preliminary Exam Paper-I

Prelims exam will consist of 2 papers. Paper-I will have questions related to General Studies & Engineering Aptitude (specific to the engineering discipline selected by the candidate). Following topics will be asked in this paper:

  • Current issues of national and international importance relating to social, economic and industrial development.
  • Engineering Aptitude covering Logical reasoning and Analytical ability
  • Engineering Mathematics and Numerical Analysis
  • General Principles of Design, Drawing, Importance of Safety
  • Standards and Quality practices in production, construction, maintenance and services.
  • Basics of Energy and Environment: Conservation, environmental pollution and degradation, Climate Change, Environmental impact assessment
  • Basics of Project Management
  • Basics of Material Science and Engineering
  • Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance and technology-based education.
  • Ethics and values in the Engineering profession.

For Prelims Exam Paper-II and Mains Exam (Paper-I and Paper-II)

For Paper-II of Prelims and Mains Exam (both Paper-I and Paper-II), the questions asked will be based on the core subjects of the engineering. Candidates belonging to the relevant fields will be tested in their relevant core subjects only. A detailed syllabus for UPSC IES is discussed further for all the categories.

IES 2021 Exam Centres

The UPSC IES 2021 exam will be conducted in two phases: Prelims and Mains. The exam centres will be different for both the phases. Candidates can choose the test centre city at the time of filling the IES 2021 application form.

IES Prelims Exam Centres

The exam centres for IES 2021 Prelims examination are given below.

IES 2021 Prelims Exam Centre















Kochi (cochin)















Port Blair




Panaji (Goa)









IES Mains 2021 Exam Centres

The exam centres for IES 2021 Mains examination are given below.

IES 2021 Mains Exam Centres

























Steps to change IES 2021 Mains Exam Centre

Step 1. Candidates need to visit the official website of UPSC-

Step 2. Go to the examinations link and click on the " Online request for change of Mains examination centre" link

Step 3. After clicking the link, select the "Engineering Services Main" row from the given options. Click on the link given under "To change exam centre" column

Step 4. An instruction page will be opened where candidates need to read the instructions and click on the "Yes" box.

Step 5. Now candidates need to login with their UPSC IES 2021 exam roll number and enter the captcha image

Step 6. A One Time Password will be sent to the registered mobile number and email ID. Enter the OTP and proceed.

Step 7. Candidates can now change the IES 2021 main exam centre as per their convenience and press submit.

IES 2021 Admit Card

The UPSC IES Mains 2021 examination admit card release date will be announced soon. Candidates can visit the official website of UPSC to download the admit card. The admit card for the Prelims exam will be released in the 2nd week of June, 2021 tentatively. In case a candidate does not receive his/her e-admit card after the date of issue or finds any discrepancies in the details given in the e-admit card, then they need to immediately inform it to the UPSC.

For downloading the admit card of UPSC IES 2021 the candidates will have to submit their application number, date of birth and security captcha.

How to download UPSC IES 2021 Admit Card?

The step-by-step process to download the UPSC IES 2021 admit card is given below:

  • Step 1: To download the admit card for the UPSC IES exam, candidates need to first visit the official website of UPSC.
  • Step 2: On the homepage of the website, click on "Examinations" and scroll down to " Active Examinations". The link to download the admit card will be present on the page.
  • Step 3: Read all the important instructions before logging in. After reading, candidates need to enter their credentials either by providing Registration ID or Roll number. After selecting the given two options, enter them along with the date of birth and captcha.
  • Step 4: The admit card of UPSC IES 2021 exam will appear on the screen. Candidates are advised to check the details on the e-admit card carefully
  • Step 5: In the final step, candidates can download and take the printout of the admit card for future use.

IES 2021 Result

UPSC IES Results will be updated once it is declared by conducting authority. After the results for the Mains examination will be declared, an applicant will have to fill a DAF (Detailed Application Form) in which he/she will have to upload the scanned documents which will be required.

You will need to produce the originals at the time of proficiency test. Call letter for proficiency test may also be issued electronically to the candidates. Dates for UPSC IES Results will be updated when the official notification for the same will get released. UPSC IES Mains 2021 results will be released after the exam is conducted.

Candidates can access their results by clicking here for the written result and here for written result with the name.

IES 2021 Paper Analysis

The IES 2021 Paper Analysis for the Prelims examination is given below:

Prelims Paper 1 Exam Analysis

  • Paper 1 was conducted from 10 AM to 12 PM.
  • Paper 1 had 100 questions of 200 marks.
  • The difficulty level of the exam was easy to moderate.
  • Questions related to Engineering Drawing and Ethics were less this year as compared to last year.
  • Questions from General Principles of Design, Drawing, Importance of Safety, ICT, and Ethics were more in number this year as compared to last year.
  • Question Paper consisted of 20% of questions from Standard Quality and Engineering Mathematics.

Section-Wise Analysis of Prelims Paper 1 is tabulated below:

Paper-1 Subject-Wise Analysis
Topic Name Level
Current Issues of National and International Importance relating to Social, Economic and Industrial Development Easy
Engineering Aptitude covering Logical Reasoning and Analytical Ability Easy
Engineering Mathematics and Numerical Analysis Moderate
General Principles of Design, Drawing, Importance of Safety Moderate
Standards and Quality Practices in Production, Construction, Maintenance, and Services Difficult
Basics of Energy and Environment, Conservation, Environmental Pollution & Degradation, Climate Change, Environmental Impact Assessment. Moderate
Basics of Project Management Moderate
Basics of Material Science and Engineering Moderate
Information and Communication Technologies based tools and their applications in Engineering such as networking, E-governance, and Technology-based Education Easy
Ethics and Values in the Engineering Profession Moderate

Prelims Paper 2 Exam Analysis

  • Prelims Paper 2 examination was conducted from 1 PM to 5 PM.
  • Paper 2 consisted of Engineering domain questions, 150 questions of a total of 300 marks.

After clearing the Prelims paper 1 and paper 2 examinations candidates will be asked to sit for the Mains examination. Clearing the main examination will allow the candidates to sit for the interview.

To clear the prelim examination a candidate is required to attempt 35-40 questions.

IES Exam Contact Details

In case of any queries related to the UPSC IES exam, candidates can contact at the given below details.

Address: Union Public Service Commission
Dholpur House,
Shahjahan Road, New Delhi - 110069

Official Website:

Phone Number: 011-23098543

Email: [email protected]


What is the age limit to apply for UPSC IES?

Age of the aspiring candidates should not be less than 21 years and not more than 30 years. UPSC specifies Age relaxation of 5 years for candidates who belong to SC/ST and age relaxation of 3 years for candidates belonging to OBC.

What is the prelims exam pattern?

Prelims exam has Paper-I and Paper-II. Paper-I consists of General Studies & Engineering Aptitude questions (200 questions and 120 minutes duration). Paper-II consists of Civil/Mechanical/Electrical/Electronics and Telecommunications Engineering questions (300 questions and 180 minutes duration) 

What is the UPSC IES registration fee?

General/OBS candidates have to pay INR 250. SC/ST/PwD/female candidates are exempted from paying the application fee.

What is the UPSC IES exam pattern?

UPSC IES has Prelims, Mains and Personality test as the examination pattern.

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