As per the eligibility you should have Bachelor’s degree in Engineering/Technology or Master’s degree (M.Sc) in any relevant science subject. You can check the further eligibility with the given below link.

https://engineering.careers360.com/articles/gate-eligibility-criteria

Good Luck!

You are able to understand the concept. Nd uh are doing requgulr self study then you can easily clear it .  You can also see online videos.

Good luck