Bhopal

IIFM is one of the prestigious colleges in India and has a very good ranking. It is ranked among the top 30 MBA colleges in India and among the top 3 colleges in Madhya Pradesh. Nirma is just average. You will get placement more than an average MBA colleges'. But its school like environment can frustrate you.

No, you can't get MANIT at 100 marks.

Yes, chances are there. Previous year's cutoff was around 1400 for OBC category. So, you are on border line .Wait till the last round, most probably you will get admission there.

Check out the placement scenario on the MANIT website or follow the link:
http://www.manit.ac.in/training-placement-and-student-welfare-cell

Greetings from SHIKSHA.
You have some chance to get admission in in RGPV Bhopal for Computer Science Engineering with this rank. So kindly apply for it.

Candidates shall be eligible for admission to the first year of the bachelor's degree programme in architecture or planning if they have obtained at least 50 percent marks in aggregate with mathematics as a subject in the class 12th or qualifying examination.
You need a rank below 500 to get into one the SPA's.

It depends upon the strength of the favorable candidates opting for the subject. Marginally if more than 33% of the total students opt for the particular subject, then it comes in the course.

https://www.shiksha.com/resources/college-comparison
Please click on the above link to get compare both the colleges and see which college is good for you. It is Shiksha online college comparison tool that shows all details and differences about the colleges.