Dear Kavya, you cannot change the Email id. Having said that, verifying email id is important for every entrance examination because all communication will happen through Registered Email and mobile number only. Now you cannot change the email id that you have entered. Now that the registration is also closed, it is not even possible to re register.

Dear Aspirant,

Now you can't change your e-mail, I suggest you should bring this to the notice of authorities asap. There will be future contacts to you through your mail like your admit card.

You can contact them on the following link:

http://gate.iitd.ac.in/contactus.php

Bring this under the notice of the authorities, they'll help you out.

Thank you.