NBE will open its correction window from December 7th December 15th. Now you cannot make changes to all the fields during the correction window. Those fields that you cannot make changes to are your Name, Date of Birth, Gender, Nationality, Email Id, Mobile No#, Photograph, Signature, Exam City and Category. The rest of the fields you can make changes to, when the correction window opens. You need to visit the official website, login to your credentials and make the necessary changes.