Tamil Nadu Polytechnic (TNDTE Dote) Diploma Results 2010 Declared’  For More Updates’ tndte diploma results 2010, dote, tn diploma results 2010, tamilnadu polytechnic results, polytechnic results tamilnadu. Directorate of Technical Education Tamil Nadu conducts the technical examination for admissions into the Engineering colleges in Tamilnadu and Polytechnic colleges in Tamil Nadu State for degree and diploma courses of the engineering and technology.