Tanishka, B.Des that is Bachelor of Designing is a under graduation course which is offered in different specializations and Fashion Designing is one of them. Apart from fashion designing, there are different specializations in B.Des like Textile Design, Product Design, Fashion Communication, Accessory Design, Game Design, Multimedia Design, Graphic Design, Knitwear Design and so on.

Dear Aspirant

Bachelor of design consists of various specializations like fashion design,  textile design, leather design, product design and many more

So fashion design is a specialization and B.Des is an umbrella which consists many other design courses.

To know the best colleges in India for B.Design do visit

https://design.careers360.com/colleges/list-of-bdes-colleges-in-india

Hope this helps

All the best!!!