Prof. Naveen Nishchal has been a faculty member in the department of physics at the Indian Institute of Technology (IIT) Patna since 2008. Dr. Nishchal received his Ph.D. degree in physics from IIT Delhi in 2005. He has served Instruments Research and Development Establishment (DRDO), Dehradun as a Scientist ‘C’ during 2004-2007. Further, he served at IIT Guwahati as an assistant professor in the physics department during 2007-2008. He has been a Researcher to the Oulu Southern Institute, University of Oulu, Finland. His research interests include optical information processing and security, digital holography, correlation-based optical pattern recognition, fractional Fourier transform-based signal processing, and orbital angular momentum of light. He is a senior member of OPTICA and SPIE. He is a life member of Optical Society of India, Indian Science Congress Association, and Lasers and Spectroscopy Society of India. He has authored a book Optical Cryptosystems published from IOP Publs., Bristol, UK (2019). He has authored/co-authored 76 peer-reviewed international journal papers and 176 papers in various conferences/seminars/symposia. He has supervised 7 PhD theses and currently six research scholars are pursuing their PhD program under his guidance. Currently, he is an Associate Editor of Optical Engineering (SPIE, USA). He served as an Academic Editor to the scientific world journal: signal processing during 2013-2016. He is an active reviewer to the journals published from OSA, SPIE, Elsevier, Springer, IEEE, IEE, IOP, CSIR, Hindawi Publs, and MDPI. Dr. Nishchal was selected as outstanding reviewer for the year 2016 for the journal of optics from IOP, UK. Dr. Nishchal received the India Top Cited Author Award-2019 as an author of one of the top 1% most-cited papers in physics published over the period of 2016-2018 by IOP Publs., UK. His name appeared in world’s top 2% scientists list in optics published by Stanford University, USA (PLOS Biology, Oct. 2020, 2021). As per Google Scholar, Prof. Nishchal has 2971 citations to his credit. His h-index is 31 and i-10 index is 58.