This book has been made to meet the requirements of candidates appearing in 2022 exam of National Defence Academy & Naval Academy. Book covers questions of 2021 paper of NDA/NA, categorised in topic-wise format with detailed explanations. This pattern consists of both papers that is Paper I and II of NDA/NA exam with sub-divisions of Mathematics, English and General Studies part. The book also consists of practice sets based on the pattern expected in upcoming exam of NDA/NA. It has prepared keeping in mind the expectations of NDA aspirants.