The functions of this branch include development of effective and low-cost teaching aids, maintenance of audio-visual equipments and computer lab., conduction of in-service programmes for teachers in the area of ET and development of ET material and providing ET related inputs into all other programmes.

Educational Technology branch places a vital role in effective teaching and learning. Initially this department was entrusted with the development of low-cost teaching aids. But recently, considering the development in ICT, the branch now provides training teachers in handling ICT equipment, Video making, editing etc. in IT enable class rooms. Focus of this branch is to ensure that ET reaches out to the most distant areas to develop in collaboration with concerned staff of DIET and other resource persons, simple, effective and low-cost teaching aids for various subjects related to school education. To conduct appropriate training programmes for teachers and teacher Educators in the areas of ET.

• To provide ET related inputs to all other activities of DIET.
• Organizing workshop for developing IT materials
• Enable all trainees of DIET to handle ICT equipments smoothly and use it for teaching of various subjects effectively.
• To enable the teacher educators in handling various ICT equipments while teaching different subjects.
• To maintain, all AV equipment of DIET. Computer lab. Educational website of DIET.
• To develop simple, effective and low-cost teaching aids for elementary education.
• To maintain a display area for good & low-cost teaching aids.
• To conduct in-service programs for teachers in the area of ET
• To conduct workshops for the development work.
• To provide ET related inputs into all programs/activities of pre-service and in-service branch