Tamil Nadu Declares TNDTE Polytechnic Diploma Results Tamil Nadu Declares TNDTE Polytechnic Diploma Results Students who appeared for the even semester examinations for the October-December 2020 session in February 2021 can check their results at tndte.gov.in. Education | Written By Mridusmita Deka | Updated: Jun 1, 2021 12:04 pm IST RELATED NEWS New Delhi: The Tamil Nadu Directorate of Technical Education (TNDTE) has announced the Polytechnic Diploma results. Students who appeared for the even semester examinations for the October-December 2020 session in February 2021 can check their results at tndte.gov.in. To access the TNDTE polytechnic diploma results, students have to insert their registration numbers and scheme of examination at the official result link.