Can I do interdigner after 10

Diploma courses vary to vary in each college. It can be somewhere from 1-3 years.

You can do diploma courses like in:

Diploma in Interior Design

Diploma in Interior Decoration

To do interior Decoration effectively, you need to have a thorough understanding of the elements of style and design, so that you can successfully deconstruct and reconstruct any style effectively, making changes and adaptations to reflect the individual preferences accordingly.

After you complete diploma, you can work as a free lancer, Design show-homes for builders & property developers, Work with kitchen and bathroom manufacturers to help clients plan their space effectively or specialised furniture and furnishings stores etc.

Yes you will get the job based on your skills and experience accordingly.

Good Luck.