Contact Person : Gazi Md Mohiuddin ; Last Date for the submission of abstract : 30/01/2018; It is very essential in understanding the role of biodiversity in relation to structure and function of the ecosystem. In view of deforestation in tropical region, it is considerably very important in preserving the species and the natural ecosystem. The natural ecosystem helps to preserve air, soil and water and thus preserves the health of the environment by preventing degradation and loss of species.The existence of biodiversity of species helps in resisting any extreme disturbances caused to the ecosystems by natural calamities. It is also essential to deal biodiversity of plants, animals and micro