Hi, there

hope you are doing well

you can change your general to OBC while updating the form while following these steps:

• Wait for the Correction Window
• Visit the Official JEE Main Website
• Login to Your Account
• Access Correction Form:
• Modify the Category:
• Upload Category Certificate (if required)
• Pay Additional Fees (if applicable)
• Submit the Form

Yes, it will be good to participate in (AKTU), You can take part in AKTU counselling while following these steps:

• Visit the official counseling website: upcet.admissions.nic.in.
• Start the registration
• Fill in the required details
• Pay the counseling registration fee: This can be paid online via debit/credit card, UPI, or net banking.
• Document Upload
• Choice Filling
• Seat Allotment
• Seat Acceptance and payment: If you are allotted a seat, you need to accept the seat by paying a seat acceptance fee (around 20,000 for General/OBC and 12,000 for SC/ST).
• Document Verification
• Reporting to the College

You can also refer to this link:

JEE College Predictor

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Best Wishes.