Institute of Science and Technology (IOST) is one of the main technical institutes. It is also one of the oldest and largest in terms of the intake of students, the number of campuses with programmes in science. Teaching/learning programme in science at the level of higher education has the national history of more than eight and half decades. Several schemes of plan, policy improvement, and implementation in entire functions of science education have been experiment. IOST in the present form has been the result of taking challenges to prepare scientific manpower at all levels to meet the requirements of the nation. Its curricula are at par with other universities at regional and global levels. A large number of students also work on scientific research projects of varied nature and at the postgraduate (M.Sc.) level. The number of Ph.D. awards in different fields of science and technology has been on the rise. Collaborative and exchange programmes in science have a priority. IOST and the central departments have the linkages with national as well as international organizations, academic institutions and ministries. Intake of students at different levels of undergraduate and post-graduate education at PCL(Phasing out), B.Sc, B.Tech, M.Sc, M.Tech is running  annually. IOST has 13 central departments to improve academic and research programmes.