Dear candidate, the answer is you can have any stream in intermediate. No specific course is required in intermediate for fashion designer course. However, it is considered that if you want to study B.F Tech in future then taking science in intermediate is a good option, else any stream you can opt. For any course in the future of fashion designing.

For more details, you can check:

https://www.careers360.com/courses/fashion-design-course

Hope, it helps!