Hello student,
You have not mentioned which category you belong to. With a score of 520, you can secure a seat in the government medical colleges when comparing the results of previous years. Last year, a score of 492 was required to secure a seat in the U P rural institute of medical sciences and research centre in General category under the state quota. But scores and ranks vary each year with toughness of the exam and availability of seats. However you can predict the colleges which you are likely to get using the given link
http://medicine.careers360.com/neet-college-predictor
Good luck

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