It depends wether you come under general or OBC category under the central government.You can check it IN THE LINK Given below to check the central government list.
http://www.ncbc.nic.in/user_panel/centralliststateview.aspx

I f you come under GENERAL category you will have to score atleast more than 540 marks to get into a government medical college and 450+ if you want to join a private medical college.

For OBC you will have to score atleast more than 500 for government medical college and more than 400 for private.

If you need any futher information about the cuttoff you can refer to the link provided below:

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