The cutoff rank for the kerala home state quota last year was 6032 with the marks 558 so it would be difficult for you to get the govt. seat in the kerala state. You can go for the self financed institute for the medical courses in your state through the state counselling procedure. And you have varified the documents in the allotted institute then your admission will be confirmed by the respective institute only. Furhter if you do not want to get the admission there then you can go for the further rounds of counselling.