Dr. Bhupendra Pratap Singh received his M. Phil. (2010) and Ph. D. (2015) in environmental science from Jawaharlal Nehru University, New Delhi, India. He is presently an assistant professor in environmental science at the University of Delhi, New Delhi, India. He is working on characterizing air pollutants associated with health assessment in the atmosphere. His interests area on the spatial and temporal variability of PAHs and VOCs and its source estimation in ambient atmosphere.