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Dr. Kumar is JSPS Postdoctoral Fellow from the Institute for the Advanced Study of Sustainability, United Nations University (UNU-IAS) in Tokyo, Japan. He has arrived Sri Lanka to attend the conference on Sri Lanka-Japan collaborative research 2014 held at Kandy, Sri Lanka. He visited Faculty of Engineering, University of Jaffna during 16th – 19th December 2014. He has delivered a guest lecture for first year undergraduates on 17th December 2014.