Hey Gayathry,

Hope you are doing well!

Well dear,your Kerala rank is 18,570,and your category rank is 424.So,you have very good chances of getting a government aided private college.

For more details on Kerala Cutoff's you may go on the link of the college Predictor below:

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

Hope This was helpful!

Alll the Best!

Keep Smiling :)