Professor (Dr) S.S. Chandel, Ph. D is   among Top 2 % Researchers in Energy as per Stanford University World Ranking of Scientists. (Ranked Top %: 1.5536465) among the top 100,000 across all fields as Researcher in Energy in Lifetime Research Career-long Category.   (1978-May 6 2020).  Dr Chandel is  former Professor & founder Head of the Centre for Energy & Environmental Engineering, National Institute of Technology, Hamirpur, Himachal Pradesh India , Dean Engineering & Technology, Shoolini University and presently   Director Centre of Excellence in Energy Science and Technology, Shoolini University, Solan, India wef Aug19,2020 with more than 40 years of expertise in High Energy, Physics, Renewable Energy Technologies, Solar photovoltaics system design & modelling, Solar power generation, Solar radiation modelling, PV forecasting, PV degradation, Solar-Wind-Diesel-Biomass -Battery  based hybrid systems. His research also includes Passive Solar building technologies, Passive heating systems, solar, wind   & Policy issues and Renewable resource assessment in Western Himalayan region using ANN techniques. Currently working on Passive Solar Housing technology ,PV & CPV Power  generation Design & Development of PV based hybrid Energy System   PV power forecasting using deep learning techniques. and Energy  & Environmental Policy Issues