Hello aspirant,

You have mentioned that you have got 520 marks in neet and belong to oec catergory, it is difficult to get a government seat with you marks in kerala as the expected cut off for this catergory in kerala  government medical colleges is 570 marks . You can visit the link given below to predict the rank that you will get with your marks

https://medicine.careers360.com/neet-rank-predictor?utm_source=qna&utm_medium=neet_rp

All the best for your future.