Hello,

Yes, you can modify the registration in SSC portal for maximum of times for each application you submit. To make the modifications in the registration details you need to visit https://ssc.nic.in/

Enter your Registration ID which was sent to the registered Email ID and phone number after registration. Enter your password and the captcha as shown on the screen. Click on login. Click on 'Modify Registration'. Click on 'Edit', Click 'Ok' and modify the details you want to change. You may preview the details. Once the necessary modifications are done you may submit it.