IIER 865th International Conference on Natural Science and Environment ICNSE will be held in Bandar Seri Begawan, Brunei Darussalam during 11th - 12th May, 2020 as the Conference of ICNSE-2020. ICNSE 2020 is sponsored by International Institute of Engineers and Researchers IIER. It aims to be one of the leading international conferences for presenting novel and fundamental advances in the fields of Natural Science and Environment. It also serves to foster communication among researchers and practitioners working in a wide variety of scientific areas with a common interest in improving Natural Science and Environment related techniques.