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Welcome to eGyanKosh’s Unit-2 on Formulating a Model, a comprehensive resource tailored for IGNOU students in 2025. This unit offers a detailed exploration of model formulation concepts essential for academic success and practical application. As part of our commitment to accessible education, we provide this study material for free download, empowering learners to deepen their understanding and enhance their analytical skills. Whether you’re preparing for exams or seeking to strengthen your knowledge base, this unit serves as a valuable addition to your educational tools. Unlock your potential and dive into the intricacies of model formulation today!