With a score of 450, your rank might be approximately between 73337-81607 . This is an expected rank range: https://medicine.careers360.com/articles/neet-result-marks-vs-rank . Now regarding the Colleges that you may have a shot at, unfortunately, 450 is a tad less score if you belong to General Category. You will need atleast 475 and more. Now you haven't mentioned your Category. So you do still have chances if you belong to Reserved Categories. 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