The 4th updated edition of the book Topic-wise 18 Previous Year NDA/ NA General Ability Test Solved Papers (2006 - 2023) contains 35 Question papers of English and General Knowledge held from April 2006 to September 2023.? General Ability Test is is divided into 2 parts – English and General Knowledge - which are further distributed into 33 Topics.? English is divided into 9 topics whereas General Knowledge is divided into 7 Units – Physics, Chemistry, Biology, History, Polity, Geography and General Awareness - which are further divided into 24 topics.? The Book consist of more than 5250 MCQ’s (1750 in English & 3500 in GK).? The strength of the book lies in the originality of its question papers and Errorless Solutions.?Detailed step-by step solutions to questions to provide 100% concept clarity to the students.