1. Department of Mining Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
2. School of Spatial Planning and Development, Faculty of Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. Department of Biological & Agricultural Engineering and Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, Texas, USA
4. Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai, India