I am planning to complete my 10 +2, and then to fully concentrate on gaming or vfx, will that be ok for my carrer ??

If you're creative, you can always consider going for Design and Animation. A good mentor and wise selection of courses with a good school, followed by diligent learning, would get you a head start in your career. However, you must check your suitability for this field. Animation is an art form and

its good you can go for BSC animation & gaming