Hello Jai,
Yes, passport is must for entry in the GRE Exam hall. Passport is one of the important document that is complusory for a student to have before entering the examination hall otherwise you will be not eligible for the exam.
Hope it helped you
Thank you
Eligibility | Application | Exam Pattern | Preparation Tips | Result | Exam Centre | Dates
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile