Hello!Pallavi

As per as your score and previous year cuttoff score of medical college,your chance of getting medical college under OBC quota is very less.You need 580+ score under OBC quota to secure seats in government medical college.I am providing you link of previous year cuttoff of medical college:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu/amp&ved=2ahUKEwiq6eWKpIfiAhWT8HMBHUpvDUYQFjABegQIDxAE&usg=AOvVaw0N9se7bUWSotbYCUSKb2E9&ampcf=1.

GOOD LUCK!