Introduction Operations Research (OR) is the backbone of modern decision-making. From optimizing supply chains in e-commerce giants to scheduling flights for airlines, the mathematical techniques of OR—Linear Programming, Queuing Theory, Game Theory, and Simulation—drive efficiency across industries. For decades, students and practitioners in India and across Asia have turned to one seminal text to master these concepts: "Operations Research" by S. D. Sharma (often published by Kedar Nath Ram Nath).
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