Education

Research Interest

•  Separation processes: (Adsorption, extraction, ectrocoagulation,  various surfactant mediate processes,
•   RO/NF/UF/MF etc.
•   Membrane technology: Smart/stimuli responsive membranes (Fabrication and application of Ceramic/polymeric membranes for environmental, biological and chemical separation).
•   Bio-diesel, Bio-products
•  Environmental pollution control
•  Treatment of industrial effluent and waste management
•   Fruit and vegetable juice processing
•   Extraction of value added products from plant and industrial sources
•   Catalysis, Nanoparticles and nanocomposites
•   CO2 to products and liquid fuels.

Experience

 Present and past positions held:

Dean   Chair Professor Head Professor	January 2021 onwards   March 2022 to March 2027 May 2018 to January 2021 July 2015 onwards	Alumni and External Relations, Indian Institute of Technology Guwahati National Jal Jeevan Mission, Govt of India Centre for the Environment, Indian Institute of Technology Guwahati Department of Chemical Engineering, Indian Institute of Technology Guwahati
Associate Professor	November 2008 to June 2015	Department of Chemical Engineering, Indian Institute of Technology Guwahati
Assistant Professor	September 2005 to November 2008	Department of Chemical Engineering, Indian Institute of Technology Guwahati
Senior Lecturer	December 2004 to September 2005	Department of Chemical Engineering, Indian Institute of Technology Guwahati

Honorary Positions: 

• Visiting Scientist, Department of Chemical Engineering, Massachusetts Institute of Technology (MIT), USA, July 2010 – June 2011.
• Visiting Professor, National Ilan University (NIU), Taiwan, May – July, 2017
• Visiting Expert, National Yunlin University of Sci. and Technology (Yun Tech), Taiwan, May 2018.
• Visiting Professor, National Ilan University (NIU), Taiwan, June – July, 2018
• Visiting Professor, GIFU university, Japan, May-June, 2019

 Member of Important Committee:

• Chairman of Technical Sub-Committee on “Agri-Waste Management” of Waste to Wealth Mission of Office of Principal Scientific Adviser to the Government of India (PSA-GoI), 2022 onward.
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• Core Member of Programme Advisory Committee on Chemical and Environmental Engineering (PAC-CEE). Science and Engineering Research Board (SERB), DST, New Delhi, 12/07/2021 on ward for 3 years.
• Expert Consultative Committee (ECC) member of “Waste to Wealth” Mission under The Prime Minister's Science, Technology and Innovation Advisory Council (PM-STIAC), New Delhi, January 2021 onward.
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• Esteem Expert Panel Member of Water Technology Initiative Programme, DST, Govt. of India (WTI (DST)), 2021 onward.

• PAC member of Department of Biotechnology (PAC-DBT), Govt. of India, 2020-2022.

• Expert in Faculty selection committee, IIT Roorkee, Feb (2020) and March (2021)
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• Advisor of IOCL, Betkuchi terminal for Rain water harvesting plant,  since Oct, 2019.
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• Water Quality Task Force member of PHED, Govt. of Assam, Since July, 2016.
• Advisory of 107 MLD drinking water supply plant of  GAMMON India, Ltd, Guwahati. Since Aug, 2017.
• Core Committee member of Task Force PHED, Govt of Assam, Since Oct, 2017.
• Technical director of M/s Vixudha Bio Products Pvt. Ltd. for commercial production of various antioxidant from biological sources. Since July, 2018
• Technical director of RD Grow Green India Pvt. Ltd. manufacturing water treatment plant. Since May. 2016
• Associate Editor for 5 years from Oct. 18, 2010, International Journal of Chemical Research.
• Associate Editor for 5 years from Oct. 18, 2010, Journal of Biomedical and Bioengineering.
• Editorial Board Member Journal of Membrane Science & Technology. 
• Guest Editor, Special Issue on "Waste Management using BioScience and Technology" in the International Journal of BioSciences and Technology.(2008).
• Editorial Board member of International Journal of Chemical Engineering Research
• Honorary Member of the Editorial Board of the International Journal of BioSciences and Technology.(2008).
• Member of the Editorial Board of the International Journal of Nano Science and Technology, (2012).

Books