MBA/PGDM

I think, it must be opened. Kindly contact the particular college in which you wanted to take admission.

https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0
You can estimate your chances of getting admission by looking into the above link.

https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0
Please go through above link for all kind of details regarding to previous pears cutoff ranks in MBA colleges.

You have sufficient grades in your M.Com, you are eligible for pursuing MBA.

Hello Devi,
For MBA in Anna University distance education you need to appear DEET Distance education entrance test conducted by CDE Anna University itself and entrance examination is already over on 24.02.19 not TANCET required. For Madras University, you need clear entrance examination.

It depends on which college you apply and the criteria out there. If you are applying in Christ University you may be shortlisted but if you apply in NIT-A, you might not be. So, after all it depends on the college you are applying. GDPI and what also matter to get admission thus apply in the college where you want to study.
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0 in this link you can find out the list of MBA institution which might fit you.

Of course, there will be campus placements. And, there will be good companies visiting that Institute with decent package.

I think you should go for MBA, because you can definitely get a better placement after that.

After CS course, you can do MBA definitely. MBA Finance is recommended to you since it is a good combination with CS. However, if you have not done LLB. Then before MBA I would suggest you strongly to do LLB. For corporate jobs CS+LLB is most demanded. You can appear for any of the tests like CAT MAT SNAP CMAT ATMA XAT CET. Upon getting a high percentile, you can then admit to reputed MBA colleges in India.

Clear first what are you doing right now?