Entering its successful 6th edition, the book Science and Technology is meant for students preparing for the Preliminary and Main papers of the Civil Service Examinations. The book is one stop solution on how to approach Science and Technology for competitive examinations. It covers all aspects of General Science and Technology from basic to advanced level making it easier for students from non-science background to comprehend and retain. Keeping in line with the trend of the examination, there is great focus on Science and Technology and the recent developments with related government schemes. This edition consists of updated facts and developments of Space Technology; Protection and Defense Technology; Information Technology and Communication System; Non-Conventional and Nuclear Energy Resources; Biotechnology; Health and Nutrition; Immunization System; Environment and Ecology, etc. All Government policies, schemes, and its impact analysis (both national and inter-national) are highlighted along with the relevant text. This book thus delves into this important aspect of the examination in detail, providing aspirants with a ready-made amalgamation of basic concepts intertwined with current developments in the various fields to equip them for the examination.