Hello Chakshu,

It's great to see your encouragement and motivation. Though it is really difficult to tell you exact preparation steps as it depends on several constraints like the amount of time you have in hand, your weak points and strong points then you can design a proper a timetable that suits you and strengthens your weak points.

But I'm providing a site where I found the best preparation guide for GRE. I request you to go through the following link:

https://www.greguide.com/Online-Test-Preparation/GRE-Prep-Guide.html

Good luck!