should I do interior design course after 12 after commerce stream ?

Hello Aspirant, Hope you are doing well

If you are really interested in interior designing you can go for it.It is a very good career option.

when it comes to undergraduate interior design education in India, three main course formats are available. They are-

• Bachelor’s Degree courses
• Diploma courses
• Certificate courses
  Eligibility Criteria for Interior Design: In the case of almost all the courses mentioned above, 10+2 passed (any stream- Science, Commerce or Arts) from a recognized board is the minimum qualification required. Minimum marks criteria may exist in the case of many institutes. Usually, it is around 45-50% aggregate marks. In the case of the Bachelor of Interior Design course offered by CEPT, 10+2 passed in Science stream with PCM subjects is the minimum qualification required.
  
  Interior Design Course Admission process: To secure admission in reputed institutes, one must appear for relevant entrance examinations. Some of the well-known relevant entrance tests include- NATA, CEED, NID, CEPT entrance test, state-wise entrance tests etc. Most institutes follow the ‘merit-based admission’ process. Marks scored by students in relevant entrance tests and marks scored in board examinations are taken into consideration when it comes to merit-based admission. Some institutes are also known to follow the ‘direct admission’ process.
  
  For further details visit this https://www.careers360.com/courses/design-course

Hope this helps you

ALL THE BEST