Animation

The link below gives you the list of colleges for animation including 2D/3D :
https://www.shiksha.com/animation/2d-3d-animation/colleges/colleges-india

The link below gives you the list of colleges for animation including 2D/3D :
https://www.shiksha.com/animation/2d-3d-animation/colleges/colleges-india

Yes, you can apply.
Students who have passed 10+2 board examination (any stream- Science, Commerce or Arts) are eligible to pursue this course. Minimum marks criteria may exist in the case of some institutes (usually around 50% aggregate marks). Many institutes accept Diploma in Animation holders.

There are plenty and I repeat plenty of institutions across India for such courses. https://www.shiksha.com/design/communication-design/colleges/graphic-design-colleges-india

You are eligible for applying.

https://www.shiksha.com/animation/colleges/colleges-Nagpur
Check out this link.

Obviously, do what you love. There are many people who complete their engineering and do what they love. Engineering is just a backup. My friend is doing preparation for IIT and dreams to become a musician.

User interface and experience of the app. This includes how the application will look like to the user. It is a very important responsibility to design an app according to user needs to satisfy them. Whereas App Development is the actual process of creating and implementing apps keeping the designing in mind. This is where the programmers begin their work and makes sure that a successful product is created without any bugs.