MINIMUM ADMISSION REQUIREMENTS FOR PHD IN USA

• minimum 3.5 GPA(previous degree performance).
• acceptable score on the GRE
• minimum TOEFL score of 580 on the written exam or 237 on the computer-based exam for international applicants whose native language is not English and who do not have a prior degree from an accredited U.S. institution
• three letters of recommendation form previuos university.
• some universites may ask students to produce research proposal on ur topic.              

            An overall evaluation of your credentials will be used as a basis for admission.