Hello,
Your mark's is low dear. So you didn't get any government medical college in Kerala. But you get a private medical college easily. Every private medical college has management quota. You can easily get admission through management quota.
I'll provide you a link you can check it. It will be helpful for you.
https://medicine.careers360.com/colleges/list-of-private-medical-colleges-in-kerala
All the best.
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