/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RasheedAhmad1 https://cdn.slidesharecdn.com/profile-photo-RasheedAhmad1-48x48.jpg?cb=1526017273 A lecturer in teacher training college, Faridabad M.Sc( Physics), M.Ed. NET-june2009,NET-JRF -dec.2009