ISB Hyderabad accepts both examination scores. So, you can opt for either of GMAT or GRE. Your chances of selection or rejection will remain the same. Go through the examination pattern and syllabus and choose the one in which you feel that you will be able to score better. Ultimately having a good score is what matters during admission. As per the recent trends, ISB Hyderabad cutoff for GMAT is 600, while for GRE it is 311.
Presently, ISB accepts both GRE and GMAT scores. So, the candidate can take either of the tests to get a seat at ISB, Hyderabad. There are certain aspects both in favor and against of both the exams, considering the structure and content of the exams. The points below give some important points to consider before choosing either of the tests for selection.
Considering the above-mentioned points, you must select the appropriate exam for your own. Other than this, the school accepts both the exams and so, good performance in either of them is considered equally.