The Civil Service Exam is held by the Union Public Service Commission to fill popular positions in India. General Studies is covered in more depth in the IAS Mains test, with four papers out of a total of nine. Paper 3 of the IAS Exam General Studies series covers Technology, Economic Development, Biodiversity, Environment, Security, and Disaster Management. This book provides comprehensive coverage of all topics in the syllabus in a unit-by-unit format. You'll learn about the Indian economy, science and technology, space, computers, and nanotechnology. Previous Years' Questions & Exam Pattern Questions are provided at the end of each course for comprehensive practise of each topic.