Hello Aspirant,

See there is nothing special updates regarding caste certificates to be uploaded in JEE-Main 2021 application form, however you have to update the caste certificates which are valid by date as well as well authenticated.

• 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 but yes if you want to take admission into NITs, IIITs or CFTIs then you should score a minimum aggregate of 75% in your class 12th if you belongs to General/Unreserved category and 65% if you belongs to any of the reserved category.
• 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 two sections for each subject, Section-A will be of Multiple-Choice Questions (MCQs) and Section-B will contain Questions whose answers are to be filled in as a numerical value.
• 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!!