As a matter of fact, the candidates prepare themselves while studying in their qualifying degree program as fundamentals of the subjects are cleared during that period only. Prior to appearing in the GATE examination only brushing up or polishing the already learnt subjects is required.
Some of the important points in this regard are as follows -
1. Study the standard textbooks to learn the basic concepts.
2. Solve previous years question papers as much as possible in examination like environment.
3. Joining some test series is likely to help.
4. The studies for preparation should be consistent and persistent.
Nowadays, all type of resources are available which can be easily located on the internet by using appropriate keywords.
The first and foremost important step is to study the GATE website thoroughly to know about the syllabus in detail.