Hello,

As per your requirement, i would say that as mentioned above your mistake done in form filling of gate, you can make the necessary corrections in a given time.

GATE Application Form Correction 2020 - Indian Institute of Technology (IIT), Delhi will open the facility for application form correction of GATE exam 20202 in the last week of September 2019 . Candidates can make the changes in the submitted application form by log in to their GOAPS account

For more info check,

https://engineering.careers360.com/articles/gate-application-form-correction

Good luck