In general a regular classroom program is not required. However, solving the practice papers of some good GATE coaching institutes may help. But you must refer the standard books first for building basic concepts.
How should I prepare?
I don't have GATEForum or Brilliant study material. How should I study?
Is coaching necessary for success in GATE?
Will there be any arrangement at the test center for the safe keeping of my personal items such as my mobile phone?
What items are not permitted to be brought with me inside the examination venue?
Am I allowed to leave the examination hall during the test?
Will I be provided with any white paper for rough work and calculations during the test?
If I notice a discrepancy between Test paper/Examination city in my application and the data available on the GATE website what should I do?
After submission of application, am I permitted to change my Test Paper or Examination City?
For how many GATE papers can I apply?