Starting with the eligibility criteria, You will generally need 50% marks in graduation from a recognized university to apply for these courses. You may need to have CAT, MAT, GMAT, XAT scores or have to appear for the entrance examination of the institute. Some colleges may only accept students who have degrees like B.E., B. Tech., B. Sc. in Physics or Chemistry or Mathematics, B. A. in Economics or Statistics, B. Com, BBA etc. Some others may also prefer work experience.

Some of the good colleges for this course are:

ISB Hyderabad
IIT Kharagpur
IIM C
IIM A
SP Jain
IIM B
Symbiosis


Specifically in Bangalore there are mainly the below ones:
AIMS Institute
ISBR Business School

Hope this helps.
Good luck.