"Principles and Practice of Costing" offers a comprehensive exploration of cost accounting concepts, methods, and applications designed to meet the academic and practical needs of commerce and management students. The book provides an in-depth understanding of the principles of cost determination, control, and analysis, emphasizing their role in managerial decision-making and strategic planning.Structured in a clear and systematic manner, this text covers fundamental topics such as material, labour, and overhead costing, along with advanced areas like marginal costing, budgetary control, standard costing, and recent developments in costing techniques. Each chapter integrates theory with practical illustrations, case studies, and exercises to enhance conceptual clarity and analytical skills.The book also reflects current trends in cost management, sustainability, and corporate responsibility, ensuring its relevance to modern business environments. It serves as a valuable resource for students, educators, and professionals aiming to strengthen their understanding of cost and management accounting practices.