McGraw Hill presents the 1st edition of NCERT COMPENDIUM-SCIENCE & ENVIRONMENT, authored by a team led by Sumesh Chahal which includes, recent UPSC CSE toppers namely Animesh Pradhan, Virupaksh Singh, and Shubham Jain. This book offers a detailed study of scientific and environmental topics relevant for the examination. It is designed specifically to cater the needs of UPSC and State PSCs aspirants. Complicated concepts related to science and environment have been explained in a coherent manner. It is best suited for all the aspirants, curious about science and the environment, irrespective of their educational background. Clear explanations, infographics, relevant images are incorporated to facilitate effective learning and retention. Practice MCQs and model questions for Main examination at the end of each chapter are provided to build up the confidence. This book offers a comprehensive understanding of the science and the environment. Incorporates essential data points, statistics, and related reports published occasionally to support effective learning using flowcharts and relevant diagrams. Addresses gaps in NCERTs coverage and offers additional information.