With a score of 310, your rank might be approximately between 229715-244438 . This is an expected rank range: https://medicine.careers360.com/articles/neet-result-marks-vs-rank .This is the the first year after 70-30 quota in MBBS seats has  been cancelled and so 310 might get you a seat in Private Medical College and the chances of GMCs are slim. Now 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 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