Game design

Hi Zeenat,
Anyone above the age of 15 can apply for FX School courses.

Check the list of all Game Design colleges/institutes in India listed on Shiksha at the link provided below. Navigate to a college of your choice using the filters on the web page. Get all information related to admissions, fees, courses, placements, reviews & more on Game Design colleges in India to help you decide which college you should be targeting for Game Design admissions in India. https://www.shiksha.com/it-software/game-design/colleges/colleges-india.

Check the list of all Game Design colleges/institutes in India listed on Shiksha at the link provided below. Get all information related to admissions, fees, courses, placements, reviews & more on Game Design colleges in India to help you decide which college you should be targeting for Game Design admissions in India. https://www.shiksha.com/it-software/game-design/colleges/colleges-india.

He should go with the computer science and do computer language training parallel to his UG education.

You can go for any humanities stream course, as science students have the advantage to go for any course.
But it's better that you opt for that course which you have studied a little bit in 12th.
So you may go for BCA/B.Tech but in my opinion, opt for any computer tech programming related course as it has a good scope in future.

Game design is basically a part of programming which you will study better in CS or IT branch, but if you want to go ahead in game designing, you can look for online courses about programming languages.