2012 IACSIT Coimbatore Conferences 2012 International Conference on Technological Advancements in Civil Engineering (ICTACE 2012) ; Product Development and Renewable Energy Resources (ICPDRE 2012) ; Electronics and Opto-electronics Science (ICEOS 2012) ; Digital Convergence (ICDC 2012), February 18-19, 2012, Coimbatore, India