I think wes hould call the respective IIT to which you send the application
as per my knowledge there is option to send a letter to the respective IIT stating the mistake in the application form and proof of original name or Date of birth must be send along with the letter to respective IIT
I think wes hould call the respective IIT to which you send the application
as per my knowledge there is option to send a letter to the respective IIT stating the mistake in the application form and proof of original name or Date of birth must be send along with the letter to respective IIT