#NDA/ NA 17 year Topic-wise Solved Papers (2006 - 2022) consists of last 17 years from 2006 - 2022 solved papers of General Ability Test distributed into 33 topics.#In all there are 31 Question papers (2006 April - 2022 April).#General Ability Test is divided into 2 parts - English and General Knowledge.#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 contains 4650 MCQ’s (1550 in English & 3100 in GK) from the above 31 Question papers.#The strength of the book lies in the originality of its question papers and Errorless Solutions.#The solution of each and every question is provided in detail (step-by-step) so as to provide 100% concept clarity to the students.