Design

This article might help you get the right answer: http://www.uid.edu.in/interior-design-in-a-nutshell-definition-career-job-opportunities-degree-salary/

If you want to be a fashion designer, the most important part is to choose fine arts as a minor. Secondly, try to take psychology if that combo is available. You will understand people and their thought processes.Try improving your drawing skills and creativity towards designing, so that it will help you in college while doing your course.

College life in any technical field (designing or engineering) is very challenging. But there are also lots of projects, dreams, ideas, busy schedule and loads of fun too.

You are not eligible for architecture but you are eligible for interior designing. You may do 3 or 4 years Bachelors of interior designing, Bachelors of vocational education or Bachelors of design. NMIMS, NID, NIFT, INIFDM and KIIT are a few institutes.

You are eligible to appear for NID M.Design course. You may refer to following link for detailed eligibility criteria: http://admissions.nid.edu/mdes_eligibility-criteria.aspx

Dear,
With this percentage, you won't get a good university for product design programme. Either you improve your grades from NIOS board or choose a private institute for the same.
All the best!