Commercial Artist

Hi,
There is no age limit to pursue VFX course. It has ample opportunities and as you are interested in visual effects course, there are many colleges, institutes, coaching classes and training centers in Ahmedabad as it is one of the leading cities of India providing guidance in VFX course.

try making YouTube videos

You should join acting school.

If you are amazing at your skills, then you may become a professional artist. But getting a certification makes more credible and approachable.

Dear sagar
If you had fail in chemistry but overall in your marksheet pass even than also you can apply for these 2 institution because require good command in English and passion for media industry as you interested for creative writing.
In other case , if yout mark sheets shows fails or compartment than you have to reappear for that particular subject.
All the best

Normally all of the animation /vfx or multimedia institutes offer courses on digital art . Aquariuss Aims , Arena, Maac , Zica , Dsk , ICAD are some names in the list.