Hello. Minimum qualifying Mark's for Nata is 50. And if you are very specific about the place for your seat which is Hyderabad, then you must secure above 70.

Your rank must be between 1 to 500 for more best colleges option.

Careers360 article will help you with its article giving more information about NATA.

https://engineering.careers360.com/exams/nata

Hope that helps!