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Yes, you can correct the gender mistake in your AIIMS BSc Nursing basic registration form. AIIMS usually opens a correction window after registration closes, likely around May 9–12, 2025. Visit aiimsexams.ac.in, log in with your ID and password, and check for the correction option. You can change details like gender during this time.

Make sure to save changes and take a printout. If your form is rejected due to this error, AIIMS will email you, and you can fix it then. For help, call the AIIMS helpline at 1800117898.