/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: pbalasubramanian3 https://cdn.slidesharecdn.com/profile-photo-pbalasubramanian3-48x48.jpg?cb=1691686900 Social Scientist working in an NGO Called RUWSEC based In Chengalapttu Near Chennai, South India. www.ruwsec.org M.A M.Phil. Ph.D in Population Studies in Annamalai Univerisity