Design

Hi,
Check this out:
http://www.nift.ac.in/chennai/downloads/Fee_Circular_ July - December_2017.PDF

Yes, all good institutes conduct entrance exams to access students beforehand. So, if you wish to take admission in good Institute, then do appear for entrance exams.

The best thing for you currently is to complete your 12th with equally good marks and then opt for a degree course in fashion designing. Both 12th and a degree course will help you lead a successful life, whereas a diploma is not much valued in the industry.

Refer to the link mentioned below:
https://www.shiksha.com/design/fashion-design/exams/nift-entrance-exam/preparation-tips

There are no set rules for it. All you can do is ask the employer to give you paid internship.

The best institute to pursue web designing is MAAC, Picasso or Arena animation.

Yes, you may appear for NID entrance exam for the Masters degree.