If I get 500 in NEET exam 2018 & my overall % is 57% in class 12 ISC Will I get chance for the government medical college?

Yes, you will have chance to get government MBBS college if you will score more than 500 marks in NEET Exam. Try to score more than 550 marks in NEET to get admission in good colleges.

All the Best!!

As per current information, Your expected rank based on your score will be ranging from 7800-8100.You have chances in 15 % AIQ and state quota seat.

Also, You can use the below NEET UG College Predictor link to know what all colleges you can get:

NEET UG COLLEGE PREDICTOR

To know the eligibility criteria for NEET, you can go through the below article -

NEET Eligibility Criteria 2017

Note : The above mentioned information has given as per the current criteria as next year this may or may not be changed.

Hope this helps!!!!