Hello,
.
Yes,you are eligible for fashion styling.
Don't be worried about your grades there has been no particular marks mentioned for most of the colleges.
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Most of the institute are in need of Just passing marks which is 40%
And you have scored enough good for it.
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Here is the eligibility criteria if you are doing master's in fashion styling,

• Candidates need to have 23 years of age
• Candidates need to have complete bachelor's degree with 50%
• There is no age limit
• Some of the colleges held there own entrance exams.

So, go ahead with a hope to achieve great future.
If anything isn't cleared please ask for it
.
Thank you