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Welcome to the eGyanKosh resource hub, where you can access essential study materials tailored for IGNOU students. In this section, we present Unit-1: Mountains of the World, a comprehensive guide designed for the academic year 2025. This unit delves into the fascinating geological features of the world’s mountain ranges, exploring their formation, significance, and impact on climate and biodiversity. With our free download option, you can enhance your understanding and preparation for your coursework, ensuring you gain the knowledge and insights necessary for success in your studies. Join us as we embark on an enlightening journey through the majestic mountains that shape our planet.