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These are handwritten class notes by Vibhash Jha Sir, from the NEXT IAS Institute, specifically for the Economy Optional subject in the UPSC Civil Services Examination. The notes are comprehensive, well-structured, and compiled from live classroom lectures, making them an ideal source for deep understanding and quick revision.Whether you’re starting your optional preparation or revising before mains, these 6 booklets will help you cover important concepts, theories, models, and case studies in an easy-to-understand format.