Microbial exoploysaccharides: An introduction.- Techniques used for characterization of microbial exopolysaccharides: A review.- Molecular basis and genetic regulation of EPS.- Molecular engineering of bacterial exopolysaccharide for improved properties.- Extremophiles: As a versatile source of EPS.- Pullulan: biosynthesis, production and applications.- Exopolysaccharides in drug delivery systems.- Exopolysaccharides in food processing industrials.- Microbial EPS as immunomodulatoryagents.- Novel insights of microbial exopolysaccharides as bio-adsorbents for the removal of heavy metals from soil and wastewater.- Applications of EPS in environmental bioremediations.- Cost-benefit analysis and industrial potential ofexopolysaccharides.