Hello,
Yes you can do that when correction link will be made available on jee mains website by cbse.This will be available in January month.You can keep an eye on jee mains website.You can edit all your particulars except the mode of exam and language of exam paper.For more details visit http://www.jeemain.nic.in
Good luck.

Dear Singh

Please follow the below-provided link for the details you are looking for. And there you can find the instructions with images.

https://admission.aglasem.com/jee-main-application-form-correction/

All the best.

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