Emerging trends in Green Polymers and their Applications.- Introduction to Graphene and its Derivatives: Fundamental Properties.- Chemical and Surface Functionalization of Graphene.- Fabrication of Graphene based Biopolymers and Bionanocomposites.- Graphene Functionalized PLA Nanocomposites and their Applications.- Graphene Reinforced PVA Nanocomposites and their Applications.- Graphene Grafted Chitosan Nanocomposites and their Applications.- Chemical Functionalization of Graphene based PCL Nanocomposites and their Applications.- Graphene Functionalized Starch Nanocomposites and their Applications.- Graphene Grafted Gelatine Nanocomposites and their Applications.- Surface Functionalization of Graphene based Polyhydroxyalkanoates Nanocomposites and their Applications.- Graphene Reinforced Biopolymer and Bionanocomposites for Water Filtration Applications.- Graphene Reinforced Biopolymer and Bionanocomposites in Energy Storage Applications.- Functionalization of Graphene Biopolymer and Bionanocomposites for Packaging Applications.- Graphene based Biopolymer and Bionanocomposites in Sensors.- Biomedical Applications of based Biopolymer and Bionanocomposites.- Structural Applications of Graphene based Biopolymer and Bionanocomposites.- Graphene based Bionanocomposites as Super Absorbent Materials.