@kaushik manna Have you literally not been able to find any tutorials or existing examples on this forum, or have you not found a satisfactory solution? There should be a couple already floating here, if not already on Google. For me the issues became specific steps in any one of those tutorials.
Yea there are various ways you can go about this. First question is, are you doing realistic card hair or stylized chunky hair? From there, you could easily google either "realistic card hair" or "stylized chunky hair" and get lots of tutorials on google. For realistic hair, that Tom Parker tutorial linked above is great…
Before you start "doing hair" there are a lot of questions you have to answer or at least think about before you decide on a technique. You didn't really provide much other than "game hair" which does help narrow it down a bit but not nearly enough. What app(s) are you using, Maya, 3dsmax, Modo, zBrush or something other?…