Yes, you can typically add your surname during the NEET counseling process even if it's not mentioned on your NEET scorecard.

Here are the steps you can follow:

1. Check the Counseling Portal: Look for a section where you can update your personal information.
2. Search for a "Name Correction" Option: There might be a specific option to modify or add your surname.
3. Provide Necessary Documents: You may need to submit supporting documents like your Class 10 or 12 mark sheet or passport to verify your correct name.

If you can't find an option to update your name during the online counseling process, you can:

• Contact the Counseling Authority: Reach out to the NEET counseling authorities directly. They can provide specific guidance on how to proceed.
• Submit a Written Request: You might need to submit a written request or affidavit to correct your name in the official records.

Important Note: It's crucial to address this issue as soon as possible to avoid any potential complications during the admission process. Ensure that your name is accurately updated before finalizing your college choice and seat allotment.

I hope this information helps you.