Design

Yes Mohak, NIOS is widely accepted and your CGPA is very good. Check for program specific entrance exams and proceed accordingly.

UPES is best for petroleum and oil courses. It is better that you pursue design courses from either NID or NIFT.

Fashion designers use their creative and technical skills to create varieties of clothing and accessories. Along with sketching and constructing original products, designers constantly study the industry to stay informed of current trends and to be able to forecast future styles.
The best scope as a

Automobile engineers are employed by Automobile design and manufacturing units, automobile ancillary industry and Automobile service sectors. Lot of IT companies employed automobile engineers in their Engineering service line of business. India has a very well developed Automobile and its ancill

http://admissions.nid.edu/eligibility-criteria.aspx
Bachelor of Design
All candidates applying for Bachelor of Design programmes must fulfil the following criteria:
CRITERION 1 - AGE LIMIT
- Upper age limit for candidates is 20 years of age (relaxable by three years for reserved category) on or before J

You can always apply to NID for an M.des course in the designing field you are interested in IF you for the eligibility criteria.
I'm giving you a link to the eligibility criteria for M.des.
http://admissions.nid.edu/mdes_eligibility-criteria.aspx
You can find other information about the M.des and B.