The present application relates to a triple-layer wound dressing material and method of preparation thereof. Particularly, the present invention provides a triple-layer wound dressing material comprising (a) an innermost layer comprising a composite scaffold, (b) a middle layer comprising polyvinyl alcohol (PVA) hydrogel and a polymeric material coated metallic nanoparticles, and (c) a top layer comprising a polymeric membrane. The composite scaffold comprises bioactive components and a hybrid polymer of a synthetic polymer and a biopolymer. The composite scaffold improved the mechanical properties and provides desired degradation profile to the wound dressing material and also provided an artificial microenvironment required for cellular proliferation and signalling during dermal regeneration
