Hello Aspirant
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Firstly you should qualify the entrance exams as I mentioned below:-

• The MBA entrance exams which were held at national level are the CAT, CMAT, MAT

• At regional level the MBA entrance exams are , are MAH-CET, TSICET, KMAT, TANCET

• MBA entrance exams which were held at at college level, most popular of which are XAT, SNAP, IIFT Exam, IRMASAT.

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You will get the following and more information for each and every exam
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1.Application form released date and also last date of filling
2.Exam date
3.List of colleges that accept each exam and also once go through the brochures of particular university/ College because you will get information about the which entrance exams are accepted by that university/ college.
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If you have any questions further let me know.
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Thank you!!!