Hello vikash dixit

hope you are doing well and safe. With reference to your query,  I would glad inform you that their is no need to do panic . These kinds of panic generally happen by many students . you just need to mail the authorities regarding your error and request them to unlock the form so that you can edit the error . Try to attach your fathers identity in mail as a proof and apologize gently for the mistake

If you have any other doubt then you can always reach us to clear them :)

we are always available to help you out and guide you

Thankyou