Hello,
You have not mentioned your catagory any where ,so i assume it to be general.
For admission in national institute of    ayurveda jaipur,being a general candidate you should score at least score 450 or above.you have scored 507 marks in the entrance examination.with this score you have very good chances of getting into NIA jaipur.but remember that cutoff changes almost every year,so not much can be predicted .cutoff depends on the difficulty level of the paper and the number of students who appeared for the entrance exam.
Just hope for the best
You can Browse the link given below for more detailed information.http://www.careers360.com/question-what-is-expected-cutoff-of-nia-jaipur-for-gen-category-up-residence-bams-ke-liye
Hope this helps
Good luck

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