Design

Make sure, when you are going for situation test you must carry:
Call letter of situation test and admit card of written examination. Carry a good pair of scissors (sharp). Your scissors should be big one. Do not carry too small scissor. Paper cutter (with sharp blade) or craft knife
Cello tape (Should be wide 1520 mm and has good adhesive. Prefer Scotch magic tape. )
Carry blue/black dot pen and gel pen. Fevicol (do not carry any cheap glue as they are less sticky).
12 inch ruler steel/acrylic. Pencil/eraser/sharpener.
Stapler.

Analytical skills. Industrial designers use logic or reasoning skills to study consumers and recognize the need for new products. Artistic ability. Industrial designers sketch their initial design ideas, which are used later to create prototypes.

Hey!
There is no fixed salary in field of designing. You may earn upto crore if you are good designer.

Which university do you want to take admission? Place and medium will not be an issue. There are various college who provide education in Hindi Medium also.

Yes, you have to appear for entrance exam because it's a national level course and without entrance you are not eligible for the admission.

Please follow the links. https://www.shiksha.com/college/indian-institute-of-art-and-design/exams/iiad-entrance-exam/question-papers
https://www.shiksha.com/design/industrial-product-design/exams/ceed/question-papers
https://www.shiksha.com/design/industrial-product-design/articles/ceed-mock-test-sample-questions-with-answers-blogId-11716
https://www.shiksha.com/design/communication-design/exams/nid-entrance-exam/question-papers.

The duration of the course is 1 year, and can be pursued after class 10th Diploma. For admission in the college, you can directly apply to the college website.

Click below. https://www.sitpune.edu.in/first-year-admission-eligibility.