531 marks means approximately 32000 All India Rank. With this rank in State Quota, you can get a seat in Hi-TECH Medical College, Bhubhaneshwar and other Private Medical Colleges of Odisha. You can also get a seat in KIMS Bhubhaneshwar, IMS and also Hi Tech Medical College, Rourkela. You can get a Government Quota seat in these Colleges. But if you are checking for other States, you can try our College predictor: : https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer