District Institute of Education and Training (DIET), Tinsukia is a government educational institute focused on enhancing the quality of elementary and school-level education in the district. It provides professional training and capacity-building programmes for primary and upper primary school teachers, teacher educators, and educational functionaries. DIET offers pre-service and in-service teacher education, conducts workshops, seminars, and training on modern teaching methods, curriculum development, classroom management, and educational research. The institute plays a vital role in strengthening foundational learning, improving classroom practices, and supporting educational reforms at the grassroots level to improve learning outcomes for students in Tinsukia and surrounding areas.