WCNSN-2020 primary goal is to bring all the experts in Nano-field and proclaim the knowledge, share the innovative ideas among academicians, scholars, industrialists, researchers, developers and students, more over it is great platform to create new contacts with the experts in NanoScience and Nanotechnology. WCNSN-2020 includes plenary presentations, keynote session, oral talks, posters, exhibitions, workshops, symposium and interactive discussions.