Dear student,
You can change that after the february attempt when the correction window will open again. Since you have uploaded wrong category certificate therefore you will not be considered in that category and would get your result as a general candidate. However you will be allowed to sit for the examination and your application will not be rejected. Make sure you upload the correct certificate afterwards and do not miss the dates otherwise you will be considered as a general candidate.

Hello Aspirant,

Yes of course you will be able to change after the attempt for February '21 because when the correction window will be opened for March '21 attempt and if you have applied or will apply for JEE-Main 2021 March attempt then you can change your category certificate and it should be of similar format as available on the official website of JOSAA :-

https://josaa.nic.in/webinfo/File/GetFile?FileId=11&LangId=P

You will be allowed to appear for February '21 attempt but you will be considered under General category if your OBC certificate is invalid.

Note that the photographs or images which you will be uploading for JEE-Main 2021 should be as same as the criteria set by NTA which are enlisted below as per the official information brochure released by NTA :-

> The recent photograph should be either in colour or black/white with 80% face (without mask) visible including ears against a white background.

> File size for candidate’s photograph should be in the range of 10 kb - 200 kb. File size for candidate’s signature should be in the range of 4kb - 30kb.

> File size for duly verified result awaited attestation form should be in the range of 50kb - 500kb.

> File size for category certificate (SC/ST/OBC/EWS etc.) should be in the range of 50kb to 300KB.

> File size for PwD certificate should be in the range of 50kb - 300kb in jpg/jpeg format.

Some insights of JEE-Main 2021 :-

> To qualify for JEE Mains, there is no minimum aggregate percentage criteria and also if you want to take admission into NITs, IIITs or CFTIs then you should pass in your class 12th. Because as per the latest announcement made by our Hon'ble Education minister Mr.Ramesh Pokhariyal Nishank, the 75% criteria has been removed for upcoming year 2021-22.

> Also from this year according to New Education Policy the JEE-Main examination will be conducted in English, Hindi and other regional languages such as Bengali, Gujarati, Assamese, Kannada, Marathi, Punjabi, Tamil, Telugu, Urdu, Odia and Malayalam.

> In JEE-Main 2021 there will be total 90 question out of which you have to attempt only 75 (25 from each section) and there will be two sections for each subject, Section-A will be of Multiple-Choice Questions (MCQs)(20 compulsory questions) and Section-B will contain Questions whose answers are to be filled in as a numerical value (10 numerical based questions out of which only 5 are compulsory to be attempted).

> In Section B, candidates have to attempt any five questions out of 10. There will be no negative marking for Section B.

> All question will be of 4 marks and in MCQs there will be negative marking of (-1) on incorrect attempt.

This year JEE-Main is being conducted with slight changes in it's pattern and it's conduction and you can check out all the changes from the link given below :-

https://engineering.careers360.com/exams/jee-main

I hope this information helps you.

Good Luck!!

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