The graduate applicants write GRE General Test or GRE Subject Tests or Both. The scores of candidates are used by the admission authorities or fellowship / scholarship committees to supplement Under Graduate academic record, extracurricular activities, and other qualifications for admission into graduate studies and award of financial assistances.
The GRE Scores are considered as indicators by the graduate admission committees as if a graduate applicant would be able to complete higher studies in a particular course or not. The GRE test can be taken at any stage of study; however, it is advisable that candidates do write GRE General Test or GRE Subject Tests during the completion year of college studies. The GRE Scores are valid for a period of five years, but candidates are advised to produce fresh test score not older than two years with admission council of university or institution.