The Department of Physics is a part of National Institute of Technology Sikkim since its establishment in the 2010. Departmental Faculty members are actively engaged in teaching and Research. Presently department offers Physics, Electromagnetic field theory, Solid state device and Basic Electrical Sicences to different engineering branches of B. Tech. Our faculty members presently are supervising sponsored projects with very advance problems in the area of theoretical and Computational Physics. The Department have active research colloboration with TIFR-CAM, Saha Institute of Nuclear Physics, Jadavpur and Calcutta University. Currently an Radon monitoring system has been install in colaboration with Jadavpur University.