Hello,

Your preparation should be done through the specific topics of the GATE syllabus so I will suggest you  done at least 10 questions for practice and memorize the the theory for the exam. Now I will tell you the best major colleges that you will get after your GATE exam you must have to clear the GATE exam with at least 70 marks if you are a general category student so that you will get admissions in IIT Mumbai and IIT Hyderabad these are the best colleges for the Computer Science Students.