How to Pursue PhD in the USA without a GRE?
Identify which USA university offers doctoral programs
Visit the chosen USA university's official website to check the entry requirements.
If the admission requirements list no GRE details or mention that GRE scores are optional or its waived, this is the university you should apply for.
GRE Exam Guide
You can even check the Ph.D. programs available and view each of their admission requirements.
Once you’ve chosen the Ph.D. program, clear other entrance exams and submit all relevant documents before the application deadline.
Once selected, apply for a US student visa and arrange for funds
Get detail guide on GRE exam with the syllabus exam pattern and more...