Hello,

Congratulations to you for your score. You haven't mentioned your Category, please do for a more accurate answer. 521 is a good score in need however getting college under ALL India quota will be difficult but you can try In state counselling of Andhra Pradesh.However opening and closing ranks change every year depending upon the number of candidates and number of seats available.

You can follow the link to see the prediction of colleges available.

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp