Hello, Roushan Sinha

Congratulations you have secured a good score but it will be difficult for me to say that you will definitely get a government college because cut off varies from year to year depending on category home state etc

However 549 is a good score for getting a government college. You have a good chance of getting a 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