Hello Aspirant,
The cut offs vary with marks obtained in NEET result 2020 , number of aspirants appearing for the exam, exam difficulty level ,the availability of seats in the state and your category.A decent score of 500+ can be considered as a safe score to get seat in a good college.
You may use college predictor tool to know about possibilities:
https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer
All the best
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