When should I start GRE Prep

Hi people, when shall I start my GRE prep if I'm applying for Fall 2022? Is GRE waived for many universities in USA?

Suggestions for MS in Machine learning and AI.

I want to do a Master's in Machine learning/ AI . Graduated from NIT Durgapur 2019 , Computer science Department . CGPA

I request everyone to give suggestions.

I got gre 323 marks quant marks169 and verbal is 154 in first attempt .I am currently 6thsem student from BMSCE bengalur

Ielts exam

I want to pursue ms in us and want to work over there later which test should i take academic or general please help me