Suceess of cracking GATE will happen only if you prepare well for the examination. First you will need to be familiar with the exam pattern as well as the syllabus structure. Then understand the weightage of each subject and their chapters make a routine to prepare accordingly. Try to study from reference books as well apart from the main books. And finally try to concentrate more on mathematics as it is a very scoring paper. Also revise as much as possible to understand clearly the concepts.
You can refer to this site as it will help you with the strategies of cracking GATE examination.
