Revision of income criteria-The limit of annual income of Rs. 4.50 lakhs has been raised to Rs. 6.00 lakhs for determining the creamy layer among Other Backword Classes (OBCs) candidates in the centrally funded technical education institutes.
If you fall under OBC-NC (Other Backward Classes-Non Creamy Layer) category then you may apply under OBC-NC category while applying Online/Offline,even though if you have declared your birth category as GN (General) while applying for GATE. However you have to produce the OBC-NC certificate at the time of Written Test/Interview.
The eligibility criteria for admission under OBC-NC (Other Backward Classes-Non Creamy Layer) is similar to general category candidates.