Hello Aspirant,

See counselling for admission to NITs/IIITs/CFTIs/IITs/GFTIs on the basis of JEE-Main 2021 or JEE-Advance 2021 score will start only after the result declaration of JEE-Advance 2021 and it is conducted by Joint Seat Allocation Authority (JOSAA) so when the result of JEE-Advance 2021 get declared then you can check out the official website of JOSAA as given below for the schedule of counselling :-

https://josaa.nic.in/WebInfo/Page/Page?PageId=1&LangId=P

Complete process for registration for JOSAA Counselling is mentioned below :-

• Registration for the counselling on josaa.nic.in
• Choice Filling and Locking of Choices.
• Mock Seat Allotment
• Seat Allotment Result
• Payment of Seat Acceptance Fees and Download of Provisional Seat Allotment Letter
• Reporting to the Reporting Centres
• Confirmation of Admission

For complete details about JOSSA Counselling process kindly check out the link given below :-

https://engineering.careers360.com/articles/josaa-counselling

To have a list of all those colleges which you can get based upon your marks, category, and state you can use JEE-Main College Predictor:-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

I hope this information helps you.

Good Luck!!