This comprehensive Engineering Materials textbook, designed for First Year Engineering students at University of Mumbai (Semester II), covers essential topics common to all branches under course code BSC2031. The book delves deep into crucial material science concepts including alloys, ceramics, composites, plastics, elastomers, advanced polymers, and nanomaterials. Following the NEP-2020 scheme implementation from academic year 2024-25, this edition provides thorough coverage of elective chemistry topics. The content is structured to help students understand the fundamental properties, characteristics, and applications of various engineering materials. With detailed explanations and illustrations of molecular structures, this academic resource serves as an invaluable guide for understanding material science fundamentals. The book is published by Tech-Neo Publications, known for their quality educational content in the engineering domain.