But what is the full form of NDA ? The full form of the NDA exam is the National Defence Academy and Naval Academy Examination. Candidates attempting the UPSC NDA exam must be acquainted with all of the important details pertaining to the exam, such as the NDA syllabus, the exam pattern, the cutoff and the selection process before applying. NDA full form : National Defence Academy, an Indian institution that trains future officers for the Army, Navy, and Air Force. एनडीए का फुल फॉर्म है National Defence Academy । यह भारत का वह प्रमुख प्रशिक्षण संस्थान है जहाँ युवाओं को सेना, नौसेना और वायुसेना में अधिकारी बनने के लिए तैयार किया जाता है। पुणे, महाराष्ट्र में स्थित यह अकादमी देश की तीनों सेनाओं के लिए संयुक्त प्रशिक्षण प्रदान करती है।. Atal Bihari Vajpayee, first Prime Minister from NDA Narendra Modi, second and current Prime Minister from NDA The NDA was formed in May 1998 as a coalition to contest the general elections. The main aim of the NDA was to form an anti- Indian National Congress coalition. It was led by the BJP, and included several regional parties, including the Samata Party and the AIADMK, as well as Shiv Sena, but Shiv Sena broke away from the alliance in 2019 to join the Maha Vikas Aghadi with Congress and ...