You should take GRE General Test if you wish to pursue a post-graduate degree or PhD degree abroad. This test is mandatory for admissions to several graduate schools abroad. However, the results of GRE Subject Tests are not mandatory, and are often accepted as an additional requirement for certain graduate programs abroad.

You can take GRE General Test up to 5 times in a year with a gap of 21 days. However, GRE Subject Tests are conducted only thrice a year.

The GRE General Test is conducted as a computer-delivery exam, whereas the GRE Subject Test is administered as a paper-written exam.

No, there are no age restrictions for taking the GRE test. However, you need to check if the university has imposed any age-related restrictions for admitting students. You must appear for the test and submit the results after confirming on the graduate entrance criteria set by the university.

You can schedule the GRE test online on the ETS official website by choosing the relevant test date. Generally, the test scores are sent to the candidate within 15 days of the test date. So, if you are approaching the application deadline, choose the test date such that you will receive your reports within the deadline.

You can pay the GRE exam fee through a credit card, debit card, money order or voucher.

The GRE test scores are valid for 5 years.