Hemant Kumar was born in Pauri Garhwal, Uttrakhand, India and completed school education in 2005 from K.V I.M.A Dehradun. He has completed his Bachelor of Engineering (B.E.) degree in Electronics and Communication engineering from RustamJI Institute of Technology, Tekanpur Gwalior in the year 2009 and earned his Master of Technology (M.Tech.) degree in Digital Communication from ABV-IIITM Gwalior in the year 2011. Hemant Kumar has worked with the educational and industrial organization for two years before joining regular Ph.D. programme with IIT (BHU), Varanasi. He has completed his Ph.D. from the Department of Electronics Engineering in the IIT(BHU), Varanasi in the year 2017-18 for the dissertation on “Fabrication and Characterization of Colloidal ZnO and CdSe Quantum Dots Based Photodetectors.” His core expertise lies in the fabrication and characterizations of Quantum-dot based thin film based devices, and its application in the field of optoelectronics, biosensing, and solar cell applications.