Design

Yes, it is possible. M.Des is a great course for the creative types and your position and salary would boost after the course. Some great university like UPES, Sharda University conducts the programme. So, you can apply for it. But it is necessary that you have at least 50% at graduation level.

Yes, you can apply for M. Des after engineering. M.Des is a great course for the creative types and your position and salary would boost after the courses.
You need to have 50% in graduation. Candidate must be proficient in English communication with creative personality.

You can find the list of colleges here https://www.shiksha.com/animation/graphic-web-design/colleges/colleges-surat.

Yes, you have some chances to get admission here. You can apply to get admission here.
Good luck.

It depends on your attitude to your career. As you have changed your field completely from M.Sc to fashion designing, I am sure it is not a one-day decision. You selected this thing for the rest of your life then you must have a keen interest in fashion designing industry. I only can suggest you one thing it may take time to make a good career in this field. You have to keep patience and do work. Best of luck.

Srishti is the best. All the best.