Hello
Ews reservation is yet to be implemented so we donot have any past year record to predict any thing.
If I consider the previous year data .Then you have negligible  chances of getting admission in any of the government colleges in kerela even through state quota .Previous year minimum marks admit yes was 558 for T D Medical College, Alappuzha and Government Medical College, Manjeri.You might get a seat through ews quota .But as i mentioned ita yet to be implemwnted so not much can be predicted.
You can browse the link given below for better information.http://www.medicine.careers360.com/articles/neet-cutoff-kerala/amp
Good luck

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