1. Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
2. Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
3. Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
4. Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India