- May 2006 - Present, Professor, Indian Institute of Technology Madras, India
- Jan 2004 - May 2006, Associate Professor, Indian Institute of Technology Madras, India
- Oct 1998 - Dec 2004, Assistant Professor, Indian Institute of Technology Madras, India
- Apr 1995 - Oct 1998, Senior Scientist, SPIC Pharma R&D center, India
- Mar 1991 - Mar 1995, Scientist, SPIC Pharma R&D center, India
- Mar 1991 - May 1992, Alexander von Humboldt Fellow, University of Wuppertal, Germany
- Mar 1990 - Mar 1991, Research Associate, Indian Institute of Science, India
- Jun 1988 - Oct 1989, Visiting Associate, National Institutes of Health, USA
- Jun 1985 - May 1988, Visiting Fogarty Fellow, National Institutes of Health, USA
- Alexander von Humboldt Fellowship, Germany (1992-1993)
- Fogarty International Fellowship, NIH, USA (1985-1988)
- Life member of the Indian Society of BioOrganic Chemists (ISBOC)
- Life member of the Chemical Research Society of India (CRSI)
- Life member of the IISc Alumni Association, Bangalore
- Elected Fellow of the Madras Science Foundation
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2012-2013, Verification of DHA Production By An organism(UNIB)
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2010, Feasibility of Alternate Food Materials for processing (RISH)
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2009-2012, Biocatalytic Transformation of W-3 Fatty Acids (EIDP)
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2005, Kelvin chemicals(KELU)
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April, 2004-December 2005, Research Based Industrial Consultancy with Tata Chemicals Ltd. Mumbai
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September, 2003-September 2004, Research Based Industrial Consultancy with MDPL, Chennai
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May, 2001-Dec., 2002; consultant with Thirumalai Chemicals, Chennai to set up Biocatalysed Industrial Processes; visited Czech and Slovak Republics as an expert to evaluate a process involving a bioconversion for technology transfer, (7-20 Sept., 2001)
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October 1994 to July 1995, consultant for the project entitled Preparation of optically pure (S) Ibuprofen using chemoenzymatic methods, conducted jointly by the Center for Biotechnology, Anna University and Shasun Chemicals, Chennai.
- 2015-2018, “Development of a Chemoenzymatic route…” (Green Chemistry)
- 2015-2018 , “Design and Development of Multifunctional Gold Nanostructures..” (BRNS)
- 2015-2016, “Probing Inhibitors of Candida species: Studies on.. ” Exploratory Project sponsored by IITM
- 2012-2015, "Development of a Biocatalytic process for the oxidation of…" (CSIR)
- 2011-2014 "High Value Low Volume Biocatalytically prepared…" (DBT)
- 2011-2014 "Chemical Strategies for conjugating Flurescent Laleled…" (DST)
- 2011-2014 "Selective Biocatalytic Oxidation of Alcohols : Developing …" (DST)
- 2004-2009 "Rapid Monitoring of Transesterification & Assessing…" (DST)
- 2008-2010 "Understanding Biocatalytic Deracemisation of A and B…" (DST)
- 2008 "National Conference on Biotechnological Approaches to…" DBT (BAAE-08) Conference
- 2008 "Scale Up Bioprocess Lab for Platform Technologies: Spectral … (DBT)
- 2006-2010 "Biocatalytic Production of A Precursor of L-carnitine…" (DBT)
- 2006-2010 "Application of Silicon Based Biosensors…" (DBT)
- 2004-2007 "Biocatalytic Deracemisation of Alpha hydroxy Carbonyl…" (DST)
- 2001-2004 "Biocatalytic Conversion of…Products" (MNES)
- 2001-2004 "Novel Biocatalytic Synthesis of optically Pure B-hydroxy…" (CSIR)
- 2002-2003 "Biocatalytic Asymmetric…reaction" (DST)
- Member Board of Governor ,NITK, Surathkal (2016 – present).
- Chairperson on complaints against sexual Harassment (2016- present).
- Member Secretary, IITM Ethics Committee (2006-2015).
- Member, TIFAC, DST, Project Monitoring Committee, 2008 onwards.
- Member, DSIR, Project Review Committee 2007-present.
- Member, Subject Expert Committee, WOS-A, DST (2004-2007).
- Member Secretary, IITM Ethics Committee (2006-2015).
