Published onJuly 4, 2021Learn about NDA and Naval Academy exam 2021 eligibility criteria, syllabus, exam pattern, study plan, vacancies, salary, and moreNDANAIndian-armyIndian-navyAir-forceExam-NotificationThe exam for admissions into the Defence and Naval Academy is one of the country's most competitive and sought-after entrance exams. The Academy conducts the exams twice a year for admission to the Indian Army, Navy, and Air Force.