With a score of 420, your rank might be approximately between 99914-109429 . 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, you have a chance in:

• ACPM Dental College,
• Chhatrapati Shahu Maharaj Shikshan Sanstha Dental College
• Government Dental College and Hospital, Medical College Campus, Aurangabad

A seat in MBBS is difficult with this score. 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