NDA 1 2022 MATHS Answer Key The National Defense Academy Exam (NDA) is conducted to recruit people into the Army, Navy, and Air Force. Every year, over 5 lakh candidates take the exam The Union Public Service Commission has scheduled the UPSC NDA 1 2022 Exam for April 10, 2022. The NDA examination 2022 is divided into two sections: the written exam and the SSB interview. The NDA written exam includes two parts: mathematics and general aptitude tests (GAT). After the written examination, UPSC uploads the answer key on their official website, through which a candidate can know about marks