DECE C14 1ST SEMESTER APRIL/MAY 2015 REGULAR Here These are the set of question papers C14 diploma in Electronics and communication engineering First-semester regular examination april/may 2015.These exam papers for free download from this website www.polytech4u.com .And you have any previous question papers please scan the papers with CS scanner and send to this Gmail ( yesudasu058@gmail.com) and give your help for more students. (102) ENGINEERING MATHEMATICS-1 click below download icon for free download engineering mathematics-1 previous question paper click here for free download click here for preview