With this score the chances of getting a seat in government medical colleges in Kerala are low as for that you need a rank above 550. However you can get admission in self financing private medical colleges of Kerala easily some of them are,

• Azeezia Medical College, Meeyannoor
• Believers Church Medical College Hospital, Thiruvalla
• MES Academy of Medical Sciences, Malaparamba
• Sree Gokulam Medical College, Venjaramoodu
• Jubilee Mission Medical College and Research Institute, Thrissur
• KMCT Medical College, Manassery
• Karuna Medical College, Palakkad

You can check cutoff of other medical colleges if Kerala by going through the link

https://medicine.careers360.com/articles/neet-cutoff-kerala

You can also predict what colleges you might get with these marks by going through the link of neet College predictor tool given below.

Https://medicine.careers360.com/neet-college-predictor

Thank you.

Hope it helps.