- Elected Fellow, The Academy of Sciences, Chennai, 2016.
- Elected Fellow, Madras Science Foundation, Chennai, 2015.
- Elected Fellow, The Royal Society of Chemistry, London, 2002.
- Elected Fellow, Maharashtra Academy of Sciences, Pune, 2001.
- Dr. G.P. Kane Distinguished Speaker Award, Indian Institute of Chemical Engineers, 2016
- Rev. Fr. Yeddanapalli Memorial Award, Loyola College, Chennai, 2016.
- Royal Society of Chemistry Service Award, London/Cambridge (U.K.), 2014.
- Sistla Kameswari Young Scientist Award (Catalysis), Catalysis Society of India, 2002.
- Mayavati Memorial Young Scientist Award (Solid State Chemistry), Indian Association for Solid State Chemists & Allied Scientists, 2001.
- JCPDS Award, International Centre for Diffraction Data, Pennsylvania, USA, 1990 : Contribution to the powder diffraction file: Set 40, No.1204 – 1206.
- Member, Higher Secondary Text Book (Chemistry) Writing Committee, State Council of Educational Research and Training (SCERT), Chennai, 2017
- Member, Empowerment and Equity Opportunities for Excellence in Science (Chemical Sciences), DST, 2016-2018.
- Associate Editor, Advanced Porous Materials (American Scientific Publishers), 2013 onwards.
- Member, Programme Advisory Committee Member (Physical Chemistry), DST, 2012-2015.
- Rev. Sr. Annamma Philip Endowment Lecture, Stella Maris College, Chennai, 2012.
- Professor S. Lakshminarasimhan Endowment Lecture, A.M. Jain College, Chennai, 2012.
- Member, German Excellence Initiative, Deutsche Forschungsgemeinschaft (DFG), Bonn (GERMANY), 2011.
- Professor N. Venkatasubramanian Endowment Lecture, Vivekananda College, Chennai, 2010.
- Group Leader, IIT-Madras Delegation to University of Cardiff, Cardiff (UK), 2018.
- Group Leader, IIT-Madras- University of Manchester Delegation, Chennai, 2017.
- Group Leader, IIT-Madras Delegation to University of Manchester, Manchester (UK), 2015.
- Coordinator, RSC – India Road Show, IIT-Madras, Chennai, 2014.
- Speaker, The New Indian Express ThinkEdu Conclave, Chennai, 2014.
- Group Leader, 4 th Indo-Russian Delegation (Catalysis), St. Petersburg (RUSSIA), 2013.
- Group Leader, 3 rd Indo-Russian Delegation (Catalysis), Chennai, 2011.
- Deputy Leader, 2 nd Indo-Russian Delegation (Catalysis), Novosibrisk (RUSSIA), 2009.
- Secretary, Catalysis Society of India, 2018 onwards.
- Member, Indo-French Delegation (Catalysis Design by NMR), Lille (France), 2017.
- Honorary Treasurer, Royal Society of Chemistry‒South India, 2015 onwards.
- Member, UK Science & Innovation Network / RSC Delegation to Durban (South Africa), 2014.
- Member, The University of Queensland and India Delegation to Brisbane (Australia), 2014.
- Member, Dublin City University’s Research College & Advisory Panel (Ireland), 2014 onwards.
- Honorary Chairman & Treasurer, The Royal Society of Chemistry‒South India, 2011-2015.
- Member, Indo-Hungary Delegation (Catalysis), Chennai, 2010.
- Member, Indo-UK Delegation (Catalysis), Pune, 2006.
- Treasurer, Catalysis Society of India, 2003-2005.
- Secretary, Catalysis Society of India (Mumbai Chapter), 2002-2004.
- RSC Advances Poster Presentation Prize, RSC-NIT Symposium on Heterogenous Catalysis and Sustainable Chemistry, Tiruchy (Sanjeev Gupta), 2016.
- Hindustan Platinum Best Paper, 17 th Natl. Workshop on Catal., Hyderabad (K. Suthagar), 2016.
- Prof. Ramamurthy Endowment Prize for Best M.Sc. Dissertation (V. Vijay Kumar), 2012.
- Hindustan Platinum Best Poster, 15 th Natl. Workshop on Catalysis, Chennai (B. Kuppan) 2011.
- Hindustan Platinum Best Paper, 2 nd Indo–Pacific Conf. on Catalysis, Pune (K. Vidya), 2000.
- Hindustan Platinum Best Paper, 14 th Natl. Symp. on Catal., Chennai (R.J. Mahalingham), 1998.