MBA Entrance Exam

PGDM requires the candidate to go through the GDPI round for which you have to apply in each college individually.
For MMS, admission takes place through the CAP round by the DTE for which only one form is to be filled.

Chances are tough as Welingkar doesn't go below 92-93 if profile is good. Otherwise, it is 95 and above.

With this score I don't think you could get any good MBA college for MMS.
Try next year.
But you can apply for PGDM in some good colleges.
Your CAT Percentile 65 is good. So, apply with your CAT percentile.

CAT stands for Common Admission Test and MAT stands for Management Aptitude Test. They are entrance exams for MBA.

Yes, you can get admission in RBS through MAT score.
A multi-stage selection procedure will be followed for admission.
The first phase of group discussion and personal interview will be conducted on the basis of December MAT and November CAT. The second phase of group discussion and personal interview

For MAT preparation you can go for Career Launcher or Times coaching.

It is completely dependent on the difficulty level of the paper.
Last year, 64 net correct answers out of 100 questions would have fetched you a 99+. There have been years when a net correct of 28-30 out of 60 questions would have fetched you a 99+.