The document provides information about the NDA or National Defence Academy exam, which is a national level exam organized by UPSC to recruit candidates for the Army, Navy and Air Force. It is a two-tier exam involving a written test and SSB interview. To be eligible, candidates must have passed class 12 in Physics and Maths and be between July 2, 2000 and July 1, 2003 in age. The document also provides details about coaching offered by Delhi Career Group to prepare for the NDA exam.