You haven't mentioned your Category and so this answer will  be written in the perspective of General Category as they have the highest cut offs. With a score of 530, you might have chances in:

• ACSR Government Medical College, Nellore

The rest you will have fair chances for a Govt. Quota seat in Private Medical Colleges. Having said that, this is based on 2019 data and cut offs change every year. Cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, top NEET score and difficulty of the exam. For a complete list of colleges that you may have a shot at, please use our College predictor: https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer