Colleges in Madhya Pradesh

First you must have successfully completed 3 year Diploma in engineering. Different institutes consider different entrance exams. Most of the regional, government and private colleges take admission on the basis of State entrance exams.
Entrance exams are:-
Calicut University lateral entry entrance exams.
Delhi Technical University lateral entry entrance exam.
KIIT University lateral exams.
LPU NEST.
UKSEE BTech lateral entry entrance exam.

No, it's not required in all colleges.

Yes, BBA students are eligible to pursue B.Ed course. The basic qualification needed is a graduation in any stream. The applicant must have done their graduation from a recognized institute with minimum of 50% of marks and 5% relaxation is given for SC and ST candidates.

Go to the official website of IIM, Indore and you can register there.

It includes 120 seats where categories differ.

IPM includes 3 things - Aptitude test, PI and What. You will have to clear them.

Solving study materials and giving mocks can build confidence and then you can crack IPM.

For preparing you should buy a study material online or from a recognized coaching and practice it. Giving mocks is also necessary.

No, you have to give any entrance exam like CAT, XAT, CMAT, GMAT NMAT, MAT etc if you want to do MBA from a good B-School. None of the B-School accept graduation marks for MBA. All your academics score are decent. Prepare this year for CAT and XAT.

You have to obtain 170+ marks as you are in General category. But there might be changes as every year cut off changes and even some of good students cannot get good colleges and desired branch because of their higher cut-offs. So, I will only tell you to try to get at least 200 marks so that you will able to get good branch in MANIT, Bhopal. Thanks.