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D P Singh Author & Editor

D. P. Singh is Head and Dean, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow.
Richa Kothari is Assistant Professor at School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow.
V. V. Tyagi is Assistant Professor at School of Energy Management, Faculty of Engineering, Shri Mata Vaishno Devi University, Katra.