Design

Refer to the link below:
https://www.payscale.com/research/IN/Degree=Bachelor_of_Design_(BDes)/Salary

B.Des is a course which you can select without having to choose any specialization, B.FTech is a specialized course helping you learn about the fashion technology. If you are interested in fashion technology, then go for B.FTech.

Yes, you can pursue full time fashion designing course and B.Com via correspondence.

Pipe design is not a separate course, it is a part of engineering.

Yes, boys can also apply for jewelry design course.

You can either get yourself enrolled in Vogue fashion institute or Pearl academy to pursue lifestyle accessory designing course.

Please tell, whether you wish to do a job or pursue further studies. Clear the same, so that we can guide you properly.