Hi Neha,

Cutoff vary from college to college. One must score more tha 550 marks in NEET exam for admission under All India Quota seats.

You can also refer to the expected cutoff for NEET 2018 to have an idea about the marks required using the link below-

https://medicine.careers360.com/articles/neet-know-expected-cut-off-and-section-wise-analysis

Hope this helps.

Good Luck!