IIM Indore - Indian Institute of Management

Well, there are both ups and downs of pursuing IPM from IIM-Indore. If we look at the placements of the pass-out batches, it is a promising programme. You can find the placement report at the IIM Indore's website. There is a diverse set of courses offered by IPM programme. Although students of IPM are placed in very good companies, some companies are a bit skeptical about this programme and prefer PGP students. Also, you would probably lose the chance to get into a better B-School. You should look at the course structure and decide whether you should choose it or not.

If you are an Indian resident then you can give CAT entrance exam. If you are an NRI then you can apply using GMAT.
IIM Indore gives different weights to 10th, 12th, CAT exam in the selection of candidates for its MBA programme. You can check them here: http://www.iimidr.ac.in/academic-programmes/post-graduate-program-in-management/pgp-indore-admissions-details/

CAT is held every year around the month of November. It contains 3 sections namely, quantitative aptitude, data interpretation/ logical reasoning and vocabulary part. You need to clear different overall cutoff and sectional cutoffs for different business schools. It is a relative exam which means that your performance is judged in comparison to the performance of other candidates.

I would encourage you to get your NCERTs and RS Agarwal sorted out for reasoning and competitive exam. For Verbal Ability, refer to Wren & Martin or some primer like McGraw Hill or Pearson. Solve a lot of mock tests and practice a lot of questions.
For the interview, prepare well about your background and also about the subjects in which you have high marks. The panelists are mainly interested in screening your confidence. You must definitely try to give some mock interviews.

To get into IIM, Indore or Ahmedabad, you can give CAT exam for 2 year PGDM course. IIM, Indore also runs 5-year IPM course (last 2 years are held along with PGDM students), which you can join after 12th class. You can also enter through GMAT score if you are an NRI.

Well, it will be stupid, if I say that a job will be guaranteed, because it will all depend on an individual's caliber and performance, but yes such exposure and training that you will get from IPM will surely enhance the probability of this thing manifolds.

Yes, no particular preparation is required for IPM as such, if the concepts of an individual is clear. So, both the preparations can be done simultaneously.

Yes, certain banks easily issue education loan for any IIM.

Yes, of course. It is one of the most rapidly growing courses in the current scenario and is continuously attaining excellence.

The following are the top '6' (they might vary a little according to different sources):
IIM Ahmedabad
IIM Bangalore
IIM Calcutta
IIM Lucknow
IIM Kozikode
IIM Indore
To answer your second question, of course it is possible. You'll have to first take CAT.