Hello Aspirant,

Yes definitely you can change your category to OBC because CAT 2021 data is nowhere linked to that of 2022 data.

When the CAT Application form will release you can check out the steps given below for very simplified application process :-

Step 1 : Visit the official site which would be iimcat.ac.in

Step 2 : Now fill-up the details and Generate CAT login ID and Password.

Step 3 : Re-login and Fill CAT 2022 Application form

Step 4 : Now upload all the scanned documents enlisted below.

Step 5 : Pay the CAT 2022 registration fee.

Step 6 : Submit the completed CAT 2022 Registration form.

Step 7 :Download the CAT 2022 Application confirmation page for future references.

The documents which you will need during the application process of CAT 2021 are enlisted below with their required specifications :-

** Colour Passport Photograph

• 30 mm (width) x 45 mm (height)
• JPEG/JPG in 150 px/inch (min)
• Maximum size should not exceed 80 KB

** Signature (Black/Blue)

• 80 mm (width) x 35 mm (height)
• JPEG/JPG in 150 px/inch (min)
• Maximum size should not exceed 80 KB

** Category Certificate to be uploaded during CAT 2022 registration(if required)

For more details and latest updates :-

https://bschool.careers360.com/articles/cat-registration

You can get complete information about CAT 2022 from the link given below :-

https://bschool.careers360.com/exams/cat

I hope this information helps you.

Good Luck!!