GRE Score - These scores are rarely the sole determining factor for admission, but don't take them too lightly, either. A good GRE score does not necessarily help one get admission, but a poor one can, more often than not, mar one's chances of selection in a good university.

Recommendations - Almost every school would want to see recommendations from people that have seen your work and know your abilities.

Statement of Purpose -Write about your passions. Your essay should emphasize your enthusiasm for a particular branch of engineering. If you're a mechanical engineer, for example, write about your passion for heat transfer or fluid mechanics, explain the work you've done in the field, and outline what you hope to do once you've completed your degree

Others - This would include work experience, projects, academic record, extra curricular achievements, resume.