Fellow of The Royal Society of Chemistry, London, UK, 2019

Fellow of The Institution of Engineers, India, 2019

LMIIChE - Life Member of Indian Institute of Chemical Engineers, 2007

Life Member, Biological Research Society of India, 2019

MSIC - Member of Society of Chemical Industry, London, UK

MCIC - Member of Chemical Institute of Canada

MCSChE - Member of Canadian Society for Chemical Engineers

LMEEIU - Life Member of Eco-Ethics International Union, Germany

Editor, Environmental Chemistry Division, Journal of Chemistry

Associate Editor, Journal of the Institution of Engineers (India): Series ‘E’

Review Editor, Frontiers in Bioenergy and Biofuel

Editorial Board Member, Research Journal of Environmental Science9

Editorial Board Member, International Journal of Green Chemistry

Editorial Board Member, Advances in Environmental Chemistry

Editorial Board Member, Biotechnology Journal

Editorial Board Member, Indian Journal of Materials Science

Editorial Board Member, Scientific Journal of Environmental Sciences

Editorial Board Member, International Journal of BioSciences and Technology

Editorial Board Member, Nanotechnology Series, Studium Press, Texas, USA

Guest Editor of the Special Issue of International Journal of Chemical Sciences featuring the selected proceedings of the National Conference on Frontiers in Chemical Engineering, Dec. 2007

Faculty Coordinator, REFLUX 4.0, the Annual Chemical Engineering Symposium

Faculty Coordinator, REFLUX 3.0, the Annual Chemical Engineering Symposium

Faculty Coordinator, REFLUX 2.0, the Annual Chemical Engineering Symposium

Organizing Secretary of the "National Conference on Frontiers in Chemical Engineering (NCFCE-2007)" at IIT Guwahati

Offered QIP Short Term Courses on "Advances in Membrane Separations Technology"

Offered QIP Short Term Courses on "Advances in Biofuel Research"

Organizing Secretary of the "1st National Conference of Research Scholars and Young Scientists in Chemical Engineering (CRSYS-2004)" at IIT Kharagpur