Kedar Khare is currently a Professor in the Optics & Photonics Centre and Department of Physics, Indian Institute of Technology Delhi, India. His research interests include problems in computational optical imaging and structured light. In recent years he has been actively engaged in pursuing research work on quantitative phase imaging, Fourier phase retrieval, computational microscopy, diagnostic imaging, cryo-EM imaging and structured light propagation in turbulence. Priyanka Lochab is currently an Assistant Professor at the Indira Gandhi Delhi Technical University for Women. Her research career in optics began in 2013 when she joined IIT Delhi as a graduate student. Her major research interests are singular optics, beam propagation through random media and computational imaging. Paramasivam Senthilkumaranis currently working as a Professor in the Optics & Photonics Centre and Department of Physics, Indian Institute of Technology Delhi, India. His research interests include areas such as optical beam shaping, optical phase singularities, Berry and Pancharatnam topological phases, fiber optics, holography, non-destructive testing techniques, shear interferometry, Talbot interferometry, speckle metrology and non-linear optics.