hello abhinav,

entering into a MBA school with a work experience is considered as great advantage over other students.you work experience will lead you to know and learn more about the program.

About CAT/XAT/MAT,

mat is easiest among them but cat will be more useful to get into top b-schools. XAT is also doing same thing but it is tougher than CAT.then the top schools having specialized cut-off for their admissions you can check it out through below link:

https://bschool.careers360.com/articles/top-b-schools-accepting-cat-scores-and-cutoffs