I want to pursue in Video game designing, but I am confused what all is to be done like what is Graduate, Post Graduate etc ?

Kuldip, I'd be happy to understand your current stage of progress including academics, courses, hobbies and other interests to help you understand what in you can lead to game design and also what aspect of game design can suit you better. Also, in most cases a broader learning like a combination of

You have options like Game art, Game design, Game Development so on, Check www.icat.ac.in