hi praveen,

you have mentioned your score which is 510but you haven't mentioned your category.

so I am assuming that you belong to unreserved catagory.

with this score you will unable to get top government medical college but you will definitely get average government medical college in mbbs I am giving some college where you can get 

1.R.N cooper Medical college Mumbai 

2.Nair medical college

3.KGMC 

you can also check the cutoff of various colleges through the link mentioned below.

https://medicine.careers360.com/articles/neet-cut-off

hope this will help.

all the best!!!