Hello there!

Diploma in interior designing is a certified one year course  which comes under the domain of interior designing
One who has qualified class 12th can persue this course or you can do this course under 10+3 diploma section
The fees does varies from college to college
And it will be in the range of around 20k to 2 lakh

The scope this course is quite encouraging.
I hope this will help you.
Thanks

Hi!!!

Yes you can join

Diploma is a technical course which doesn't require any higher secondary certificate so tenth is enough to join diploma course