https://www.123articleonline.com/rss/author/270285/happy-singhArticles written by Happy Singh from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1178468/are-you-know-about-nda NDA or National Defence Academy Exam is an entrance exam organized by UPSC (Union Public Service Commission) in every year to recruit candidates in different Indian Defence forces like Army, Navy and Air Force.