/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SankarRao https://cdn.slidesharecdn.com/profile-photo-SankarRao-48x48.jpg?cb=1522978845 I retired as Joint Director of Technical Education, AP, Hyderabad in 2003.Earlier I worked as Principal in Polytechnics at Karimnagar, Sircilla, Warangal, Suryapet, Nellore, and Guntur.