Hey Sharon.
As per the previous year trends of 2018 for admission in a government college in Kerela the least number of marks required were 558 marks atleast with a rank of
6014. Hence if you wish to take admission in a government college in Kerela a score above this range would be safer. Also keep in mind that the cut off varies each year due to several factors like level of difficulty, Competition etc and this year it might be higher than the previous  year. Hence you seem to have lesser chances.
https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-kerala/amp
Best of luck.

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