Hello aspirant,

These are the exams which offer you an admission for MS in USA-
GRE is mandatory for almost all MS level programmes in the USA, including management studies. While all universities require GRE general test score, there are some others which also ask the student to take GRE subject tests.

TOEFL is an English proficiency test for students from non-native English speaking countries.
IELTS is also an English proficiency test for students from non- native English speaking countries.
Students interested in pursuing medical studies in the US have to appear for MCAT.
LSAT is for law aspirants.

You also should get atleast (2-3) recommendation letters.

For the Know about the detailed process to apply for MS click on this link-
https://www.google.com/amp/s/studyabroad.careers360.com/articles/how-apply-for-ms-in-usa/amp