- 2008 Dhirubhai Ambani Award from the Institution of Chemical Engineers (IChemE) in the United Kingdom for Engineering Innovation to provide potable water to the Resource-Poor arsenic-affected people.
- 2005 Mondialogo Engineering Award from Daimler-Chrysler and UNESCO for the arsenic removal project in West Bengal, India
- 2004 International Ion Exchange Award in Cambridge University, England from the Separation Science and Technology Division of the Society of chemical Industry (SCI) in the United Kingdom.
- Awarded University Gold Medal for ranking first in B.S. in Chemical Engineering, at Jadavpur University, India in 1973.
International Editorial Board, “Transaction Part B: Process Safety and Environmental Protection.” Institution of Chemical Engineers, England (2000-2006).