Shikkha O Prajukti: A text book of Educational Technology for three year degree courses (revised semester system) prepared as per the new CBCS system of all the universities of West Bengal and Tripura written by Raju Singha, Assistant Professor in Education, Department of Education, Dr. Meghnad Saha College, Ranipur, Tilna, Itahar, Uttar Dinajpur, West Bengal.