I will be starting my 2nd year (3rd semester) this month. When should I start my preparation- right from 2nd yesr or from 3rd year? Which would be best? I am in B.Tech CSE.
This is Geeks for Geeks mantra for Gate preparation:- https://www.geeksforgeeks.org/how-to-prepare-for-gate-cse-2019/
Take the first step by understanding what you are up against, the information you need before you plan and then begin the actual preparation. The first thing to do before you start is to know the GATE eligibility. Check if you fulfil it and can appear for the exam.
You can star GATE Preparation in 3rd or 4th year.