Every candidate is eligible for taking the GMAT - there are no restrictions based on age or qualifications.
The candidate should at least be graduate in any stream.
He should have obtained the minimum pass percentage.
No doubt that a good graduate school will give admission only if the academic record at undergraduate level is good.
FEES FOR GMAT
The fee to take the Graduate Management Admission Test (GMAT) is US$250 worldwide. You will incur taxes when you schedule an exam in certain countries.
Payments by cheque must be payable in U.S. dollars and drawn on banks located in the United States. All payments must be made in full, should include the correct numeric and written fee amount, have the appropriate signature(s), and be made payable to Pearson VUE-GMAT.