<P>The book provides insights in the decision-making for implementing strategies in various spheres of real-world issues. It integrates optimal policies in various decision­making problems and serves as a reference for researchers and industrial practitioners. Furthermore, the book provides sound knowledge of modelling of real-world problems and solution procedure using the various optimisation and statistical techniques for making optimal decisions. </P><P>The book is meant for teachers, students, researchers and industrialists who are working in the field of materials science, especially operations research and applied statistics. </P>