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Bhavisha  Sharma Department of Environment and Sustainable Development,
Institute of Environment and Sustainable Development, Banaras Hindu University,
Varanasi, India
Pooja Singh Department of Science, Institute of Computer Science and Technology,
SHEPA, Varanasi, India
Rajeev Pratap Singh Department of Environment and Sustainable Development,
Institute of Environment and Sustainable Development, Banaras Hindu University,
Varanasi, India
Panneer  Selvam  Sundar Rajan Department of Chemical Engineering, SSN
College of Engineering, Chennai, Tamil Nadu, India
Barkha Vaish Department of Environment and Sustainable Development, Institute
of Environment and Sustainable Development, Banaras Hindu University, Varanasi,
India
Lúcia Helena Xavier Centre for Mineral Technology (CETEM), Rio de Janeiro,
Brazil
Contributors