Dr Dharmendra Kumar is an Associate Professor of the Department of Electronics and Communication Engineering, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh . Dr Kumar has expertise in Photonic Crystal Fiber, Optical Fiber Sensors, and nanophotonics. he is a senior member of IEEE and a Senior member of Optical society of America (OPTICA). He has published more than 80 research papers in National and International SCI Journals and Conferences such as IEEE Transactions on Nanotechnology, IEEE Journal of Quantum Electronics, IEEE Sensor Journal, IEEE transaction on nanoscience, IEEE Transactions on Plasma Science, superlattices and microstructure, JOSA B and applied optics etc. He has also delivered many invited talks and serves as a session chair in IEEE conferences. Till now, He has guided 4(Four) Ph.D. and presently, six Ph. D students are working under his guidance. He has guided more than 19(Nineteen) M. Tech students.