“Ion Selective Electrodes & Applications” in DST Sponsored Workshop on Sensors – Materials Development and Applications organized by SASTRA University, Thanjavur, during June 2004.

“Ion selective Electrodes” in National Workshop on thin film Preparation and Characterization Techniques for Energy Conversion organized by SAEST, Karaikudi, during November 2004.

“Scanning Probe Microscopy” in National Conference on Application Oriented Nanomaterials, Alagappa University, Karaikudi on 10^th to 11^th March 2005.

“Atomic Force Microscopy” in National Workshop on Advanced Techniques for Corrosion Studies organized by National Corrosion Council of India, Karaikudi on 5-7 January 2006.

“Scanning Probe Microscopy for Polymer Research” in Kamaraj College of Engineering & Technology, Virudhunagar on 12^th October 2006.

“Nano-composite materials for molecular recognition” at Periar Maniammai University, Vallam-Thanjavur on 26^th Feb 2008.

Delivered a keynote address under the track of Green Sciences at Periar Mainammai University, Vallam, Thanjavur on the occasion of “International Conference on Emerging Green Technologies (ICEGT-2011)” organized during 27^th-30^th, July 2011.