With a score of 525, your rank might be approximately between 32796-37464 . 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:

• Dr. B.R. Ambedkar Medical College, Bangalore
• Kempegowda Institute of Medical Sciences, Bangalore
• M.S.Ramaiah Medical College, Bangalore
• M.V.J.Medical College and Research Hospital, Bangalore
• Vydehi Institute of Medical Science and Research Centre, Bangalore

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

with this score ur expected rank will be around 35000-45000.