1. Introduction to hydrogels 2. Polysaccharide-based hydrogels: History and chronological developments 3. Physical and chemical properties of polysaccharides-based hydrogels 4. Functionalized Polysaccharides Based Hydrogels: Spanking Accession in Tissue Engineering and Regenerative Medicines 5. Thermal, Rheological and mechanical properties of polysaccharide-based hydrogels 6. Click Chemistry a Promising Tool to Develop Polysaccharide-based Hydrogels 7. Polysaccharide-based novel conductive hydrogels 8. Polysaccharide-based superabsorbent hydrogels 9. Sophisticated techniques for characterization of polysaccharide hydrogels 10. Polysaccharide based antimicrobial hydrogels as wound dressing materials 11. Polysaccharide based hydrogel scaffolds for the regeneration of pancreatic beta cells to treat Diabetes 12. Advancement in hybrid nanocomposite hydrogels and applications 13. Polysaccharide based responsive hydrogels for skin regeneration 14. Polysaccharide based responsive hydrogels for nerve regeneration 15. Polysaccharides-based hydrogels for environmental applications 16. Superabsorbent hydrogels of polysaccharide as nutrient carriers 17. Polysaccharide-based super moisture absorbent hydrogels for sustainable agriculture applications 18. Polysaccharide hydrogels as emerging material for wastewater purification 19. Antioxidant and antimicrobial properties of polysaccharide: Structure-activity relationship