Interior Design

Refer to the link below:
https://goo.gl/vjpc8F

Starting salary for B.Sc. graduates in interior designing depends on a number of different factors. Prominent factors are- profile of the employer, employee skills, aptitude and grades attained by the employee. In the beginning, interior designers may earn 10-20 k Rupees per month. Salary will rise after gaining work experience. If one decides to remain self-employed, salary figure will be quite different than the ones mentioned above.

A student pursuing a degree programme under regular mode may be allowed to pursue a maximum of one certificate/diploma/advanced diploma/PG diploma programme simultaneously either in regular or open and distance mode in the same university or from other institutions.

Please refer to the link below:
https://www.shiksha.com/articles/top-10-interior-design-schools-in-india-blogId-10599

Not really. All you need is a creative mind.

Yes, IIFA does have the interior designing course.

There is no college which offers a degree course after 10th. It is advised that you complete 10+2 first.