Government & Defence Entrance Exam

Yes, you are eligible for MBA entrance tests like CAT, MAT, XAT, etc. The minimum criteria for being eligible for appearing in MBA entrance test is that one should have 50% marks at graduate level from a UGC recognized university.

It is true, but don't think about all of that. You just need to concentrate to learn and focus on your studies.

Yes, you can get a good government job after completing your MBBS.

What is your educational qualification?

You need to be a graduate to get a jobs like SSC and IBPS. If you talk about SSC CHSL, you need to pass class 12th. If you want to apply for the same then you have great chance because SSC CHSL application procedure is going on.
To know its complete syllabus and exam pattern, you can visit the below mentioned link:
https://scoop.eduncle.com/ssc-chsl-syllabus

You need to choose mathematics as your main subject after completing class 12th and prepare for the NDA exam after completing class 12th.

Hello,
If you have completed your graduation from a good college, then you are eligible for most of the government job competitive exams like - IBPS, SSC CGL, IAS exam, etc.
So, you can start your preparation for the exams.
You can visit the below mentioned link to prepare for SSC CGL exam:
https://www.eduncle.com/ssc-cgl-recruitment-exam
Best of luck.