Hello Jay,

Well, its fine with the 47%, what you have got.

There is no minimum percentage criteria in UPSC conducting NDA Exam. This Exam is conducted two times a year. This requires the candidates to be passed in their 12th Board academics. 

For more information you may visit the provided link.

https://www.google.com/amp/s/competition.careers360.com/articles/nda-eligibility-criteria/amp

Thank you.