what should i do for self AWESOME M.TECH GATE ,PREPARATION.Don't recommend me for any coaching institute,just tell me about only self effort

First Solve Previous Three Year Questions of GATE to understand the Pattern , Syllabus and Level then Take up your Branch Books to polish up the Concepts and Exercises . Solve Questions from a GATE preparation Book . A 3-4 month preparation should be enough for good score in GATE , if your Concepts