IIM Bangalore - Indian Institute of Management

It is very difficult for anyone to answer this question. If you enjoy working on complex problems, putting in hard work, networking with others, playing with numbers, or in general taking a larger perspective on things, then you would enjoy the future. On average if you are looking for a career in management then IIM-B is among the top institutes and the packages also among the highest. So yes, it can increase your chances of getting a fatter pay check.

IIM nearly Impossible but for other colleges to is difficult. What about our entrance exam marks? Please share that too.

Shiksha call predictor should be really helpful for you, although 32.6% in 12th might make you ineligible to apply for the top 3 IIMs.

Check Shiksha call predictor. It should be near to 90%ile marks.

You need to get very good CAT %ile.

Utilise the CAT predictor by Shiksha. In my opinion you need a kickass CAT percentile (in the realm of above 99 %ile) to get a call (no work-ex as well).

CAT - Common Admission Test.
(in case you have been working outside india GMAT score is also considered)