NDA vs. Other Defence Exams: Key Differences and Preparation Approaches https://www.trishuldefenceacademy.in/nda-vs-other-defence-exams-key-differences The National Defence Aczdemy (NDA) is one of the most prestigious exams or entrance tests conducted for selecting candidates for the Indian Armed Forces. You can call it the first opportunity to join any of the three wings of the armed forces at an early age. The students who want to get the early advantage to become military personnel should go for the best NDA coaching in Dehradun.