Dear Dipanbita, to get admission in governmnet medical college , a score of 550 and above is considered to be safe and reliable. there are alot of medical colleges in bangalore, and a score of 96 marks is qualifying score for OBC candiadte in NEET, but to get a seat in governmnet college you need to score above 550 to grab a good place. even if you are scoring 500, there are chances that you might get admission after councelling process. but as you know that there are very less seats in government colleges in india, so you should try scoring above 540 to be ensured that you will certaily get a seat in bangalore. If you want to have a look at top medical colleges in bangalore you might want to have alook at this link : medicine.careers360.com . here you can find the othe list of colleges and the no. of seats they have as well as the fee structure of them. it shall help you to plan your studies accordingly.  also if you are able to get a score of 550 or above, you have a chance to get any government medical college in India as a score of 550 is very good. 

good luck!