Awards & Recognitions

• Conference Chair, International Conference on Environmental Challenges, Opportunities & Sustainable Solutions (ENVIRONMENT 2024), December 09-11, Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati, Assam, India 
• Symposium Chair, One-Day Symposium on Environmental Challenges, Opportunities & Sustainable Solutions (World Environment Day) - 2024, June 5, Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati, Assam, India 
• Conference Chair, International Conference on Environmental Pollution and its Control (EPIC)-2019, February 18-19, Department of Civil Engineering Government Engineering College, Banswara, Rajasthan
• BOYSCAST Fellow, Department of Civil and Environmental Engineering, University of Delaware (USA), August 2011 to July 2012
• National Doctoral Fellow, Awarded by AICTE, January 2005 to December 2008

• Nature-inspired Nanomaterials for Environmental Applications, Online short-term course (e-STC) “Sustainable Developments in Chemical and Biochemical Processes” (SDCBP-2024) Apr 11–15 2024, National Institute of Technology Hamirpur, Himachal Pradesh, India
• Metal Nanoparticles for Electrocatalytic and Photocatalytic Applications, International Conference on Environmental Pollution and its Control (EPIC)-2019, February 18-19, Department of Civil Engineering Government Engineering College, Banswara, Rajasthan
• Bio-inspired synthesis of metal nanoparticles and their catalytic activities, IIT Guwahati, 2018
• A new methodology of metal doping on semiconductor supports using plant based analytes and photocatalytic water treatment, IIT Guwahati, 2018
• Metal oxides electrocatalysts for H₂O₂ synthesis for the destruction of pharmaceutical compounds present in water, IIT Guwahati, 2018
• Bimetal doping on TiO₂ for photocatalytic water treatment: A green route, 10th World Congress on Water Resources and Environment, Greece, 2017
• A bio-mediated route of AgNPs synthesis and photocatalyst activation, IITG-KIT Joint Symposium on Soft and Biobased Materials, Japan, 2016
• A biological route of AgNPs synthesis: Size control and functionality, GIFU-IITG Joint Symposium on Food Engineering, Biotechnology, Biomaterials and Renewable Energy, Japan, 2016
• Catalytic activities of AgNPs and Ag-doped titania fabricated using Bio-mediated techniques, IIT Guwahati, 2016
• Nerium Oleander leaf extract mediated synthesis of nickel nanoparticles and its potential application, ICBB, Srilanka, 2016
• Pharmaceuticals as emerging contaminants and decomposition behavior in AOPs, IIT Guwahati, 2015
• Hexavalent chromium reduction by immobilized green microalgae in continuous treatment, ICAB, Denmark, 2014
• Lecture series on Design of heat exchanger network, IIT Guwahati, 2013
• Spirulina sp. cultivation on chemically treated tanning wastewater, CUTSE, Malaysia, 2012

• Editor, Int. J. Chem. Clean. Sep. Technol. (Int. Journals Pub)
• Editor, Int. J Chem. Eng. Proc. (Int. Journals Pub)
• Editorial board member, Int. Journal of BioSciences and Technology (IJBST)
• Editorial board member, The World Science Journal
• Editorial board member, Trends in Chemical Engineering
• Life member, Indian Institute of Chemical Engineers (IIChE)
• Life Member, Indian Society for Electro Analytical Chemistry

• Inorganic Chemistry Frontiers
• RSC
• Photochemical and Photobiological Science
• RSC International Journal of Environmental Engineering
• Inderscience Chemical Engineering Communications
• Taylor & Francis Water
• Air and Soil Pollution
• Springer
• Environmental Progress and Sustainable Energy, AIChE
• Separation and Purification Technology, Elsevier
• Chemical Engineering Journal, Elsevier
• Journal of Hazardous Material, Elsevier
• Chemosphere, Elsevier
• Journal of Chemical Technology and Biotechnology, Wiley
• Chemical Engineering and Technology, Wiley
• Separation Science and Technology, Taylor & Francis
• RSC Advances, RSC
• Desalination and Water Treatment, Elsevier
• CLEAN-Soil, Air, Water, Wiley