Hii shabbar,

This is to inform you that you can choose any of stream for you 12th completion but i think you should go into the field of creativity like arts so, you get more exposure towards your goal.

After completion of 12th you can go for the NIFT entrance exams which have certain criteria which you have to cross in your 12th standard.

You can go through this link to know more about eligibility, seats, etc

https://design.careers360.com/exams/nift-entrance-exam

I hope this will help you.
Best of luck for your journey ahead.

You can take any branch in 11 th. As fashion designing do not require any specifics. Eligibility is to pass 10+2 from a recognized university for degree course.