MAT is conducted four times in a year in February, May, September and December. Candidates can take all four MATs in a year. They have to choose 5 B-schools during the application process and the scores will be sent to those institutes by AIMA. Apart from these B-schools, candidates can apply to other participating institutes separately. Best of scores system is not followed for MAT. Each MAT scores are treated separately. For further information about the exam you can go through with given below link.

MAT

Good Luck!