/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: msbsiva https://public.slidesharecdn.com/v2/images/profile-picture.png Dr M.SIVABHARATHY M.Sc.,M.Phil.,B.Ed.,Ph.D( Physics).,M.A.,D.C.P. Madurai.