Hello Nagarajan,

MAT is the acronym of "Management Aptitude Test" for admissions to MBA/PGDM programmes at various management institutes.

For more information, you may visit the link given below

Https://bschool.careers360.com/articles/mat

SAT stands for "Scholastic Aptitute Test". It is opted by the students who wish to pursue their undergraduate studies in the United States or Some Other Countries.

For more information, you may visit the link given below

Https://studyabroad.careers360.com/articles/sat

Thanks for query on this platform, you may visit again

All the best.