On behalf of Department of Chemistry, Paavai Engineering College organized a one day Student Development Academic webinar on “An overview of Ecosystem & Biodiversity” on 18th June, 2021. Ms.K.Divya, First Year Agriculture Engineering welcomed gathered the webinar. Dr.M.Premkumar, Principal , Paavai Engineering College delivered his presidential address on the occasion. He addressed that, awareness about ecosystem as well as bio resources to the public. Dr.G.Raja Head of the Department organized a wonderful session and gave the informative talk about the Recent trends in Environmental resources. Prof.M.Mohan, Professor & Head, Science and Humanities, introduced the Chief Guest and gave overview of the importance of Environmental resources. Dr.T.Maruthavanan, Associate Professor, Department of Sciences, Sona College of Technology, Salem, was the guest of the honor. He explained in his presentation about the Ecosystem & Biodiversity – Components of ecosystem-structures & functions of an ecosystem-Ecological succession process. Also explained elaborately the value of biodiversity – bio geographical classification of india – Hot spots of biodiversity. He expound the conservation of biodiversity-field study of simple ecosystems. He also designated that students to learn about how to conserve bio resources in future generation. Faculty members and students eagerly participated in the program. The vote of thanks was proposed by Ms.S.Nishalini first Year / Chemical Engineering. The session was very informative and motivating to all the students.