Design

Its pretty easy now with Instagram, Facebook and Youtube. You don't even need to have a qualification for it. All you need is an Internet Connection, Enough money to daily spend on clothes and Presentation. Then you need to review the brands and praise their product. Once you reach a level of popularity you will be contacted by those companies to advertise for them.

NID is the best college to pursue Designing course for Products, Transports etc. NIFT is the best institute for designing Textiles etc. FDDI is good for the footwears. NID condcuts its own exam for admission. NIFT I believe gives admission on the basis of result in UCEED. It is a long process. You will need to make sure what specifically you want to pursue.

It is important to have a degree in the field you want to build your career. If you are planning to do a start up or open your own business then you can do it without degree. If you are seeking a job in the industry, then you need to have a qualification.

NID is the best college in India for Product Design. There are design institutes in India that specialise in different courses but NID is better for Product design among all.

Only by a small margin. But UCEED is still a good choice. NID is better for product, transportation, animation design.

You should apply for UCEED and AIEED. Perform your best in these exams to get a good college. Product design is available in many colleges but NID is the top college among them.

You can apply for UCEED or get admission into NID for Product design course. Product designer are paid quite good and are placed in good companies if the course is pursued from a good college like NID.

Both. If you have completed a formal degree in CAD, then you can pursue a higher study. If you have pursued a certificate course in CAD then it would be better to get a job.

Footwear Designing is better and usually pays high to its employees. That of course depends on the college you pursue your education from.

Preferabbly, a CAD model. That can be rendered according to their requirement and provides all information about dimension and Material as well as freedom to view from different angles and in different lighting conditions.