Hi there,

The GATE correction window will start from OCT 28 TO NOV 13.

But the photo ID could not be changed in the correction window.

If they have send you the notification about defect in application through mail then kindly change the photo ID and resubmit the form. They will then notify you on successful submission of the same.

Please check here all the information about correction of GATE 2021: https://engineering.careers360.com/articles/gate-application-form-correction

Hope this helped...

Good Luck !!