Hello Aspirant ,

It depends on college to college and state to state , some of the top government MBBS college( like top AIIMS , Delhi Medical colleges etc )have cutoff as high as 700+ ,but you can easily get a good enough government medical colleges for MBBS with 650+ marks in NEET examination but as the cutoff is increasing frequently in past few years you should aim for 670+ marks .

To see the NEET cutoff for some colleges visit :

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

Hope this helps.