Hello, Shrisha Nagargare 

It is difficult to tell you exactly that you will get a government college or Not because cut off varies from year to year depending on difficulty level category home state 

However, near 500 is a good and safe score for SC candidate to get a good government college 

I'm providing you a link which can help you

https://medicine.careers360.com/neet-college-predictor

Hope this helps you if you have any queries you can add in comment section

Thank you