Fellow, Institute of Engineers, (FIE) Kolkata, India

Fellow, Indian Chemical Society, Kolkata , India

Senior Member, American Institute of Chemical Engineers (AICHE) , USA

Senior Member, Institutions of Engineering and Technology (IET), UK

Life Member, Indian Institute of Chemical Engineers (IIChE), Kolkata, India

Life Member, Indian Society of Technical Education (ISTE), New Delhi 

Life Member, Institution of Engineers, (IIE)Kolkata, India

Life Member, Indian Membrane Society, (IMS), Baroda, India

Life Member, Catalysis Society of India (CSI), Mumbai, India

Life Member, Indian Chemical Society, Kolkata, India