Hi aspirant,

The cutoff marks change every year. I t's depends upon number of students that appeared in examination, number of seats available in colleges, difficulties of question paper, reservation catagory, previous years cutoff trends, etc As per last year cutoff marks candidates who belong to OBC catagory required 500 to 520 marks for getting government bams college under all India quota.

you can use neet college predictor to know which college you may get with your marks. That is mentioned below:-

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer
Hope this helpful. Best of luck.