MBA Entrance Exam

This is there are sectional cut-offs also so chances are less.

CAT percentile for PGDM-90+,BFS-83+ and for HRM-85+. Plus there are sectional cutoffs also.

While you may try your luck and fill in the application form, it is unlikely that you will get a call this year because of your low percentile. Previous years cutoff was generally around 70 percentile.

Since your score is quite low, it would be better for you to wait another year. The colleges that you can target with this score have the average salary package of 5LPA.

With a score of 80 percentile, you can target much better colleges like TAPMI.

Since your score is very good, you can actually target much better colleges than XISS.

It generally is 98-98.5 percentile. However, to strengthen your chances of converting your interview call, a score of 99+ percentile is desirable.

CAT, XAT and CMAT are the best national level management entrance exams. You should take any one of these exams to get admission in the reputed B-schools.

There is a complete profile based selection instead of cut-offs.

The eligibility criteria for getting admission in SIESCOMS is:-
1.Candidate must be a graduate in any discipline from a recognized university with minimum of 50% marks.
2.Valid CAT/ CMAT / ATMA / MAT / MH-CET / XAT score.
So you are eligible.I think to finally secure your seat you must get score of 80 percentile or above in CMAT.
Best of luck!