Hello,
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Fashion merchandising is a job involving campaigns, advertising, marketing for fashion Industry.
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Firstly I want to clear that just diploma doesn't give you a bright future in fashion designing.
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After diploma you can go with this courses for bright future,
Visual merchandising
Fashion styling
Ethnic wear development
Garment construction etc,
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There are many job opportunities for diploma in F.M but if you are planning for bright Career Go for higher studies.
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Some of the Jobs are,
Supervisor
Area merchandiser
Assistant merchandiser
Textile merchandiser
Assistant manager etc,
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Coming to salaries it depends on the company you are working and the posting you take.
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Minimum salary will be 20 k to 35k.
Salary will be increased based on your performance.
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Coming to state which provides you high salary it depends on your experience,the way you put effort on work,the way you show interest.
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Unless and until all of them are good in you every state provides you the best income.
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Hope this helped you out.
Thank you