Colleges in Gwalior

Yes, 50% or above 50% is enough to get admission.

Check out various entrances at first and meet their deadlines . Upcoming entrance exam is the MAH-CET.

As per the norms minimums 55% marks in graduation is must and should. And, the registration has already been started for the admission for batch 2018-2020. If you're applying through any national entrances, like CMAT, CAT, MAT, or XAT. You can apply through that or else institute has its own entrance test. So, you can give that too.

See and judge a college on following parameters:
1) ROI
2) Future orientation
3) Placements
Please talk to the students of the concerned college. Find 10 students from the stream in which you want to take admission. Rank doesn't matter.

ITM University is a good campus for MBA education for HR, Marketing and finance. But, ITM is not that much good for agribusiness. The opportunities are limited for this field of MBA education. Agribusiness is still on a nurturing stage and lot of opportunities are yet to be find. The career opportunities are limited as compared to other verticals of MBA like hr, marketing and finance. So, I suggest you not to go with this decision.

The definition of best varies from person to person and is influenced by personal inclinations and ones strength for e.g. some people might to go with software development, some with software testing and designing, etc.
Let me know your area of interest for better assistance.