The Science and Technology is a book for aspirants of the civil services and other exams. This book is scientifically design with TCRert model by Author. which will cater the need of must know concept to everyone nonetheless Aspirants an academic background. This book is for anyone, who wants to know about 'Awarness part of science and technology'. The Auhtor clearly identifies the topics which is relevant and useful for well educated person and civil services Aspirants.