Fellow of the National Academy of Sciences, India (NASI); Fellow of the Indian National Academy of Engineering (INAE); Fellow of the Institution of Engineering and Technology (IET), UK; Fellow of the Optical Society of India (OSI); Fellow of the Institution of Electronics and Telecommunication Engineers (IETE); Brigadier Bhopinder Singh Chair Professor in the Department of Electrical Engineering, Head of CEP/QIP, Indian Institute of Technology Delhi.