CAT Registration 2021 - Application Correction Window Closes Today, Apply at

CAT Registration 2021 began on 4th August 2021 for the aspirants. Find out more about CAT application details, application fee, important dates to apply, and much more.


CAT 2021 Registration: IIM Ahmedabad will close the MBA Common Entrance Test (CAT) 2021 application form correction window today on 27th September 2021, at 5 pm. Candidates can edit details in their submitted CAT 2021 application form at Candidates can correct the photograph, signature, and test city preference only in the CAT application form 2021. After the closure of the CAT correction window, IIM Ahmedabad will release the admit card on 27th October.  CAT 2021 exam will be held on 28th November in three shifts. The three exam slots are - 8:30 to 10:30 am, 12:30 to 2:30 pm and 4:30 to 6:30 pm. The announcement came with the release of CAT official notification by IIM Ahmedabad on 1st August 2021. The CAT registration 2021 began on 4th August 2021 (Wednesday).

Aspirants can also click on the direct link provided below to register for one of the most coveted MBA entrance exams. 

CAT 2021 Correction Window - Direct Link 

In 2020, around 2.30 lakhs aspirants applied for the CAT entrance exam. Through this article, candidates will be able to understand the CAT application process, CAT application fee, mode of fee payment, and many more details related to CAT 2021 registration. Eligible and interested candidates can apply for the CAT exam by filling the online CAT application form. However, before applying for the exam, do read the CAT eligibility criteria carefully. Candidates are also required to pay the CAT application fee through online mode.  

CAT 2021 exam is conducted for admission to postgraduate courses i.e. MBA/PGDM offered by the IIMs. There are other non-IIM institutes that accept CAT scores for admission to MBA courses. You can apply for the non-IIMs through Here are the instructions that will help you during the CAT registration process. Read them carefully to apply for the MBA entrance exam:

CAT 2021 Registration Process

Before registering for the IIMCAT exam, candidates have to register to generate a User ID and Password. CAT User ID is an important element using which candidates will be able to register for the CAT exam, make fee payments, download the CAT admit card. Applicants would be required to provide their personal details in the 1st part of the CAT registration form. The 2nd part will be about academic information, so if this year, the CAT registration form followed the same pattern, keep the documents ready to fill the marks scored in the 10th, 12th, and graduation. The 3rd part is generally about work experience and finally, aspirants are required to choose programmes and IIMs in the order of their preference.  

CAT 2021: Exam Registration Guide

The CAT website i.e. is made available for the purpose of exam registration. The exam conducting body i.e. IIM Indore releases a CAT 2021 registration guide and video with an objective to aid the candidates in understanding how to fill the form and make fee payment. Before you register for the CAT exam, it is recommended that ‘do watch the video and read the registration guide’ which talks about the forms that you would need at the time of CAT exam registration. Any discrepancy at the time of registration can cost you re-registration and payment of fee again. This process might seem time taking but would help you avoid blunders during registration.

Just like the previous year, this year also CAT 2021 will be conducted on 28th November in 3 shifts. Find out the shift timings of CAT exam as under:-

CAT Exam Shifts

CAT Shift Timings


8:30am - 10:30am


12:30pm - 2:30pm


4:30pm - 6:30pm

How to Register for CAT 2021

Read the instructions mentioned below before you fill the CAT application form:

Before filling CAT application form

Here are a few instructions that you must keep in mind before getting registered for the CAT entrance exam.

1) The registration process begins with the 'New Candidate Registration' where you will receive a new User ID and Password to apply for the CAT exam.

2) You will receive the CAT User ID on your registered email address and the password on your registered mobile number (via SMS). Fill the online CAT application form using the registered CAT User ID and Password.

3) Provide correct information pertaining to Name, Date of Birth, Mobile Number, and Email Address. Double-check before submitting the CAT application form because this information cannot be changed at a later stage when the CAT application correction window is opened.

1. Visit the official website of IIM CAT i.e.

2. Click on the 'Registered Candidate Login' option which is provided on the right side of the homepage.

3. You will be redirected to another window.

4. Provide your generated CAT User ID and Password to fill the CAT application form 

5. Create your Profile with true and correct information. In the CAT application form, there are five windows in which details such as Personal Details, Academic qualifications, Work Experience, Programmes, Test City of preference, are to be filled.

6. Submit the CAT Application form after providing all the necessary details.

7. The final step is to make online payments through Net banking/Credit card/Debit card. The CAT 2021 application fee payment partners are Bill Desk and PayU. The fee payment window will appear like this:

CAT 2021 Application fees

Another crucial aspect of CAT registration is the CAT Application fee. The CAT registration fee has been increased minimally this year. Take a look at the CAT application fee as it was in the previous year:


Registration Fee(s) in 2021

General / NC-OBC

Rs. 2200/-


Rs. 1100/-

In 2020, the CAT application fee stood at Rs. 2000/- which has seen a jump of INR 200/- in 2021. For the other reserved category aspirants, the application fee for CAT exams was INR 1000/- which has seen a jump of Rs. 100/- this year.

CAT exam conducting body has also stated that once the fee is paid, it will not be refunded under any circumstances. So, candidates are advised to fill the CAT registration form carefully.

Perks for Women Candidates

CAT MBA entrance exam will be conducted in 158 test cities and the female candidates got an opportunity to take the test in their domicile city. This move is aimed at encouraging the female candidates to take the test eagerly and would also invite more participation from both genders without bias.

This perk is also aimed at enhancing the gender diversity in the IIMs. It is expected that after this announcement the absentee ratio among the female candidates to take the exam will gradually reduce. When the first time this initiative commenced in 2015, it became a hit and an increase in the attendance of females was quite evident.

For other candidates, CAT will provide an opportunity to choose up to 4 test centres depending upon the convenience of the candidate. The final decision to allow the test centre is reserved with the exam conducting body i.e. IIM Calcutta.

Also Read: About CAT Exam Pattern – Click Here

Also Read: About CAT Test Centers – Click Here

Also Read: About CAT Participating Institutes – Click Here

Also Read: About CAT Preparation Tips – Click Here

Also Read: About CAT Exam Analysis – Click Here

Also Read: About CAT Previous Year Mock Tests – Click Here

CAT 2021 Application Correction – How to make Changes?

The CAT Application correction window option allows candidates to edit discrepancies in the photograph and signature being uploaded at the time of registration. Candidates can also change their test city preference if chosen wrong by any chance. For any other errors and related corrections in the CAT application form, candidates are advised to contact the CAT 2021 help desk.

Errors Not Subject to Change

Mistakes in an email address, date of birth, mobile number, etc are cannot be rectified and in this case, the applicant needs to register again with a new email ID. No refund shall be provided for the basic errors occurring due to these discrepancies. Find out how to makes changes in the CAT application form as per the instructions mentioned below:-

Step 1 - Visit

Step 2 - Click on the “Existing User” tab

Step 3 - Enter your allotted User ID and Password and click on the “Login” tab

Step 4 – You can change or modify your photograph and signature if it is blurred or not as per the specifications and are allowed to change CAT 2021 test city preference as well

Step 5 - After you have carefully done the changes, click on the “Save” button

Step 6 - Download and take a printout of the CAT 2021 registration form

Rectification of errors in CAT Registration form

Caution! Once you press the ‘SUBMIT' button after filling in all the details, you will not be able to make any changes to the CAT application form. Rectification of errors is not welcomed so it is advisable that you double-check the filled-in information or else you might end up re-registering and paying the application fee. Do not submit your CAT registration form unless you are sure of all the details put in the form.

For further assistance, candidates can contact the CAT helpdesk at and can also use 1-800-209-0830 (Toll-Free).

Recommended Books for CAT 2021 Preparation:

CAT 2021: QA Books

Quantum CAT by Sarvesh K Verma

The Pearson Guide to Quantitative Aptitude and Data Interpretation by Nishit Sinha 

How to Prepare for Quantitative Aptitude for CAT: This reference book by Arun Sharma

CAT 2021: DI & LR Books

How to Prepare for Logical Reasoning for the CAT Common Admission Test by Arun Sharma

Pearson Guide to Logical Reasoning and Data Interpretation for CAT and Other MBA Entrance Examinations

How to prepare for Data Interpretation for CAT Common Admission Test

CAT 2021: VARC Books

Word Power Made Easy

Barron’s Pocket Guide to Vocabulary

How to Prepare for the Verbal Ability and Reading Comprehension for the CAT by Arun Sharma and Meenakshi Upadhyay (Tata McGraw-Hill)

Wiley ExamXpert Verbal Ability and Reading Comprehension: Capt. A K Kalia

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