You haven't mentioned your Category. This is important because every Category has different cut offs. With a score of 330, your rank might be approximately between 196229-212737 . This is an expected rank range: https://medicine.careers360.com/articles/neet-result-marks-vs-rank . First off, there is no free seat concept. But if you meant Government Dental College or a Govt. Quota seat in a Private Dental College, the chances are quite less with this score unless you belong to Reserved Categories. 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 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