International
- Chairman, International Advisory Board, Centre for Rapid and Sustainable Product Development (CDRSP), Polictecnico de Leiria, Portugal (2018 - 2022)
- Member, Scientific Council on Catalysis, Russian Academy of Sciences, Moscow (2011 - Present)
- Member, International Peer Review Committee, for CSIR - S.Africa (2009)
- Member of the Jury, DuPont Plunkett Awards, Asia-Pacific (2007)
- Titular Member, IUPAC Standing Committee on Chemical Research Applied to World Needs (CHEMRAWN) (1998 - 2005)
- Chairman, Catalysis Science and Technology, Integrated Long Term Programme of Research Collaboration with Russia, Department of Science and Technology, New Delhi (2008 - 13)