As you want to get the details of full forms of MAT, CAT, XAT and you also want to know that will you be able to give MAT exam after completing B.A course so here is the information of the same for you:

CAT - Common Admission Test
MAT - Management Aptitude Test
XAT - Xavier Labour Relations Institute Admission test.

All these entrance examination are for Management courses. If your aim is to do MBA Course in Future then you have to apply for these entrance examinations.

After completing B.A Course you are eligible to apply for CAT/MAT/XAT Examinations.

As the basic eligibility criteria for MAT exam is that candidates must have passed graduation from any reputed University/Colleges