JEE Main 2021 Answer Key – By Allen, Resonance and Official by NTA


JEE Main 2021 Answer Key by Allen, Resonance and Official by NTA and other coaching institute shall be available here after the exam. The JEE Main answer key by Allen, Resonance and other coaching institutes releases few hours after the exam get over. However, National Testing Agency (NTA) releases answer key of JEE Main in 2-3 days. JEE Main answer keys by Resonance and Allen are released in PDF format. Whereas, official answer key releases in login, at From the answer key, candidates can predict score in JEE Main 2021. Know more details on JEE Main Answer Key 2021 from this page.

JEE Main 2021 Answer Key

Before moving forward, let us have a look at timeline for release of JEE Main answer key 2021.

JEE Main 2021 Answer KeyDates
Exam date 23, 24, 25, 26 Feb 2021
Coaching institutes release answer key and solutionFew hours after each shift
Availability of official answer key2-3 days after the exam

JEE Main 2021 Answer Key by Coaching Institutes

There are numerous institutes which releases answer key for JEE Main 2021. As soon as the institutes shall release the answer key, we will upload it here.

InstituteOfficial Website
Motion IIT
Allen career

JEE Main is held in online mode. Then how do coaching institutes release JEE Main answer key?

Coaching institutes release memory based answer key for JEE Main. Coaching institutes have a pool of students who appear for JEE Main. After the exam, these candidates tell coaching institutes what questions were asked. The institutes compile questions from each students and prepare a consolidates JEE Main answer key and question paper. That is how JEE Main 2021 answer key by coaching is provided.

JEE Main 2021 Answer Key by Allen

ALLEN Career Institute is one of the most recommended coaching institute for JEE Main, NEET, and other entrance exams. The coaching is in more than 20+ cities of India and is among the first coaching institutes which releases the most accurate answer key for JEE Main. The coaching released answer key as a pdf, shift.

What is to be noted is that, JEE Main answer key by Allen is released as:

  • JEE Main Paper with Answer by Allen.
  • JEE Main Paper with Solution by Allen.

The difference between the two is that in JEE Main Paper with Answer only the question and the answer is given. Whereas, in the JEE Main Paper with Solution – question, correct answer, and solutions are given.

  • Click Here to check now Allen released JEE Main answer key and solutions last year.

JEE Main 2021 Answer Key by Resonance

Resonance also releases answer key shift wise. There are 3 major things on which the institute focuses:

  • JEE Main Solutions by Resonance.
  • JEE Main Video Solutions by Resonance.
  • Also, JEE Main Overall Analysis | Paper Analysis by Resonance.

The solutions shall contains JEE Main 2021 questions with correct answer. Whereas, in the video solutions the teachers in Resonance solve a question step by step. Lastly, the overall analysis focuses on difficulty level of the exam, type of questions asked in the exam, weightage of the chapters and mode. The solutions and analysis of JEE Main are provided subject wise.

  • Click Here to check now Resonance released JEE Main answer key, solutions, and analysis last year.

JEE Main 2021 Official Answer Key by NTA

Download Answer Key Here: The candidates can download JEE Main 2021 answer key as per the schedule given above at

NTA only releases official answer key online. There are two types of NTA JEE Main answer key, which are:

JEE Main 2021 Provisional Answer Key: The provisional answer key is released by the National Testing Agency (NTA) at its official website. It is released 2-3 days after the exam of all the dates are over. These answer keys can be challenged if the candidates find any error in them. The official answer key is more reliable when it comes to having a proper estimatation of the scores.

JEE Main 2021 Final Answer Key: The final answer key is the revised or updated version of the official JEE Main provisional answer key. NTA does not accept the challenge against the final answer key once it has been published.

How to Download JEE Main 2021 Official Answer Key?

NTA releases the official JEE Main 2021 answer key at the candidate’s login. Given below are the steps that candidates can follow to download the answer key.

1st Step: First of all, click on the direct link of official JEE Main 2021 answer key given above on this page.

2nd Step: After following the step given above, a window will open. Here, 2 options will come to download the answer key. Select any one option from the following:

  • To download the answer key using application number and date of birth
  • To download the answer key using application number and password

3rd Step: Now, enter the required details and click on the ‘submit’ button.

4th Step: Now, click on the ‘View question paper and challenge answer key’ link.

JEE Main 2021 Answer Key

5th Step: Then, the question id and correct option will be displayed on the screen.

JEE Main Answer Key

6th Step: At last, check all the answers or download the answer key for future references.

How to Calculate Scores Using JEE Main 2021 Answer Key?

The candidates can follow the steps given below to calculate the scores using JEE Main 2021 answer key.

1st step: Firstly, download the answer key and question paper of your respective shift.

2nd step: Next, check the question id and correct option.

3rd step: Now, use the marking scheme as specified by NTA to calculate the scores.

  • Add 04 marks in case of correct MCQ / NVT answers
  • Deduct 01 marks in case of wrong answers
  • 0 marks are given unattempted / marked for review question

Note: There is no negative marking in case of wrong Numerical Value Type questions

4th step: Write the number of correct answers and number of incorrect answers.

Formula to calculate the scores: Sum of correct answers – Sum of incorrect answers

Bu using the formula given above, the probable score will be calculated.

How to Challenge JEE Main 2021 Official Answer Key?

NTA provides an opportunity to the candidates to submit the challenges against JEE Main 2021 provisional answer key if they find any error in it.

The provisional answer keys are displayed for 2-3 days during which the candidates have to submit their objection (if any). Check the steps to challenge the JEE Main 2021 provisional answer key given below.

  • Visit the official website,
  • Next, click on the ‘Challenge Answer Key’ button.
  • Now, login by entering the application number, password and security pin.
  • After entering the details, click on the ‘submit’ button.
  • Now, the dashboard will open. Here, click on the ‘Challenge Answer Keys’ button.
  • Now, you will see the question id and correct options.
  • Then, click on the check box of the option ids that you think is correct.
  • Next, upload the justification for the same by clicking on the ‘Upload File’ button (All Documents to be put in a single file’.
  • Then, submit your claims and move to the next screen. Here, all the options ids that you have challenged will be displayed.
  • Next, click on ‘Save Your Claim and Pay Fee Finally’.
  • At last, select the payment mode and pay the processing fee to challenge the questions.

Challenging Fee: The candidates have to pay Rs 200 (per question). The candidates can submit the challenges using debit card / credit card / net banking.

JEE Main 2021 Question Paper

The question paper for JEE Main releases along with the response sheet. The official question paper is released by NTA at the candidate’s login only. The candidates can use the question paper and answer key together to calculate the scores.

JEE Main 2021 Response Sheet

Along with the official JEE Main answer key, NTA also releases the response sheet online at It is also released at the candidate’ login. The response sheet is a PDF that displays the answers chosen by the candidates at the time of the examination. The candidates must download the response sheet for future references.

Details like test date, test time, candidate’s name, paper name, question, questions type, question id, option ids, selected option by the candidate, status etc are mentioned in JEE Main 2021 response sheet. The candidates can also challenge the response sheet if they find any errors in it.

JEE Main 2021 Final Answer Key

Once the objections against JEE Main 2021 answer key have been submitted, the subject experts review all the challenges, and then a final answer key is published.

JEE Main final answer key is released in the pdf format. Note that no requests for further challenges are accepted by NTA and the final answer key is used to compile the result.

JEE Main 2021 Result

The candidates can check JEE Main 2021 result online at It is to be noted that there is no re-evaluation or re-checking of the result done once it has been published and no requests related to this are entertained.

  • The result is compiled according to the answers indicated in JEE Main final answer key.
  • To check the result, the candidates have to enter their application number and date of birth.
  • For multi-shift papers, the raw marks are converted to NTA score.
  • No scorecard / rank card is dispatched to the candidates. The candidates have to download it online from the official website only.
  • The All India rank is compiled after the conduct of all the sessions of JEE Main.

About JEE Main 2021

Joint Entrance Examination (JEE) Main is a national level entrance examination conducted by NTA to offer admission into courses B.E / B.Tech, B.Arch and B.Plan. It is a computer-based test (except the drawing test in B.Arch) for which 10+2 qualified candidates can apply. JEE Main 2021 comprises of two papers in total. Paper 1 is for BE/ B.Tech and Paper 2 A is for B.Arch whereas, Paper 2B is for B.Plan. The test comprises of multiple-choice questions as well as numerical value type questions. The candidates who qualify Paper 1 are offered admission at NITs, IIITs, and CFTIs.

Frequently Asked Question on JEE Main 2021 Answer Key

Ques. From where can I download the official JEE Main 2021 answer key?

Ans. You can download the official JEE Main 2021 answer key from

Ques. Is there any negative marking in case of wrong answers in JEE Main?

Ans. Yes, there is negative marking of 01 marks in case of each wrong answers. This is applicable only for multiple-choice questions.

Ques. Are the unofficial answer keys reliable?

Ans. The unofficial answer keys of JEE Main can be referred to have an idea about the scores. However, to have to have certainty about the scores, it is advised to refer official JEE Main answer key only.

Ques. Do I need login credentials to download the unofficial answer keys?

Ans. No, the unofficial answer keys are released in the pdf format so no login credentials are required.

Ques. Can I challenge the unofficial answer key?

Ans. No, you cannot challenge the unofficial answer key. The challenges can be submitted against only the official JEE Main answer key.

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