NDA is a national level entrance exam conducted every year. Through this entrance examination, qualified candidates are selected for training of Indian Navy, Indian Military and Air Force.The NDA exam is conducted by the UPSC (Union Public Services) every year. The test has three phases to qualify i.e written exam, SSB interview and Medical Examination. After qualifying this entrance exam, the candidates have to qualify SSB Interview as well. NDA represents National Defence Academy arranged in Khadakwasla, Pune (Maharashtra) The candidates who qualify NDA exam will go through 4 Year Course and prepare to turn into an Officer in these wings.