Faculty of Physical Sciences, Institute of Natural Sciences and Humanities, SRMU in collaboration with BERS, Sukrit Solar Pvt Limited and Gajah Solar Power Pvt. Limited organized the “SOLARIS 2020 - a National Conference on Sustainable Environment and Climate” from 7-9 February 2020. The Guest of honour in SOLARIS 2020 was Prof. Vineet Saini (DST, GOI) and Chief guest was Prof. A.S.K. Sinha (Director, RGIPT). More than 20 invited lectures, poster sessions and 6 technical sessions were conducted during the conference.