Hello,
With your score you have less chances of getting into government medical colleges through All india quota aas the cut off is usually high , however you still have chances of getting into government medical college of your state under 85% quota.

With 520 NEET score your Overall Percentile will be around 96.97 - 97.47 and your NEET AIR Rank will be around 39425 - 50575

However these information is based on last years cutoff and as cutoff changes every year depending on factors like difficulty of exam and number of candidates and the recent COVID19 situation etc.

You can use careers360 college predictor to know the colleges you can get at your NEET score;-

With a score of 520, your rank might be approximately between 32796-37464 . This is an expected rank range: https://medicine.careers360.com/articles/neet-result-marks-vs-rank .You haven't mentioned your Category and so it is difficult to predict the Colleges for you. But you might get a seat in Datta Mghe Sai Medical College and seats in Deemed Universities like Hamdard Institute of Medical Sciences, KMC Manipal/Mangalore, etc.

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