Game design

You can pursue any of these courses:
Bachelor in Game Art and Design
Bachelor in Game Software Development
Bachelor in Game Design and Development
A video game design degree teaches about all the aspects of the gaming business. Gaming tools and technologies, animation, game design, game theory and programming are all part of the curriculum of such a program. Such programs also develop the analytical and problem solving skills of students.
There are many job opportunities are available in India as well as abroad. India offers game development and animation services at highly competitive rates as compared to other outsourcing areas.
You can opt for your career in various genres of gaming such as video gaming, console gaming, wireless gaming, PC gaming and multiplayer gaming.

Hello Santhosh kumar,
If you are interested in Animation, VFX and Gaming filed just Join One of the best Animation Institute in India. No specific qualification required in this filed, Just pursue a career based course in any best institute and learn the software skills and creativity, even no degree required in this filed because Animation and Vfx is totally based on software skills, knowledge and creativity, for your better understanding i am sharing with you some fact and knowledge about this fields.
This is not a complete industry. The actual name is Media and Entertainment. Animation, VFX and Game Design all of these are biggest part of Media and Entertainment industry. The media and entertainment industry in India consists of many different segments under its folds such as television, print, and films, radio, music, OOH, animation, gaming and visual effects (VFX) and Internet advertising. You can work all these segments after complete your course.
There are many few colleges and institutes in India who provide a quality education in Animation field.
Just pursue a career based course in any best institute and learn the software skills and creativity, even no degree required in this filed. Animation and digital media careers are practical oriented and will need strong mentoring. You may enhance your knowledge, but have to learn the skills thoroughly by learning at any leading institution of your choice
You can also consider any of these following India's best Institutions names for Vfx and Animation Training:
1. Maya Academy of Advanced Cinematics (MAAC).
2. Picasso Animation
3. Massco Media.
4. Zee Institute of Creative Arts (ZICA).
5. Global School of Animation.
For your more information please visit:
https://www.shiksha.com/college/maac-chandigarh-37864

Science is not necessary to do game designing course. Yes you need to study mathematics at 10+2 level and opt for B.Design course from institute like NID
Few of the institute even does not require mathematics for example following is eligibility criteria from Manipal
Qualification: Pass in 10+2 or 3 years diploma by the Central/State Government or equivalent qualification from any Board.
Eligibility for NID
CRITERION 1 - AGE LIMIT
- Upper age limit for candidates is 20 years of age (relaxable by three years for reserved category) on or before July 1, 2016.
- General Category applicants: Candidates born on or before July 1, 1997 are not eligible.
- Reserved Category applicants (OBC-NCL, SC, ST & PH): Candidates born on or before July 1, 1994 are not eligible
CRITERION 2 - EDUCATIONAL QUALIFICATION
- Applications for Academic Year 2017-18 is open to applicants who have passed or will appear for the qualifying examinations under the higher secondary (10+2) from any recognized Board of Education such as AISSCE/IB/ICSE, or equivalents, during the academic year 2015-16.