Hi, 

When you will fill the counselling form of Kerala state put the colleges on the above which have the higher chances that you can get them. 

See the previous year cutoff of various colleges of Kerala and then put them on above according to your marks that you can get them or not with your marks and previous year closing marks.Just match your marks with the previous year colleges closing marks and put them on above. 

For any other information you can ask us.