The 35 Landmark Events in Science and Technology for UPSC & State PSC Civil Services Prelim & Main Exams is a book from Disha’s unique “LANDMARK SERIES.” This book presents 35 Most Important Developments in Science and Technology of modern India that has helped in shaping India. Many important developments, such as the Indian Nation Satellites (INSAT) Programs; Nuclear Power Plants; the Green Revolution and the White Revolution; Various Immunisation Programmes; Cloning in India; Biotechnology; Internet of Things; Artificial Intelligence; Genome Technology; Development of Covid Vaccines; Cyber Security; etc. Each development has been carefully selected based on detailed research and thorough analysis of the UPSC Prelim & Mains Papers. Each article covers the Background & Overview of the chosen Topic. The other aspects dealt are Objectives, Timelines, and Facts You Need to Know, Key Terms, Main Personalities, Outcome/Impact and Conclusion. Some of the articles also provide Flowcharts & Mind maps. At the end of the book, a lot of other Important Developments are covered in the Annexure. Further Prelims & Mains Previous Years’ Questions are given in the book. This book will definitely help aspirants in writing better answers, particularly in GS Papers & Essay. It will build the conceptual clarity required for critical analysis and better reflection during the personality test.