Narender K. Sehgal (born 7 November 1940) is an Indian physicist, scientific administrator, and science populariser. He was born in Lahore (now in Pakistan). He worked as Scientific Officer in the Theoretical Reactor Physics Division of Bhabha Atomic Research Centre. In 1963 he went to US for his MSc and PhD in particle physics from the University of Wisconsin. He became professor of physics at the Somali National University in Magadiscio, East Africa. He returned to India in 1978 as visiting scientist at the Space Applications Centre (SAC) of Indian Space Research Organisation (ISRO). In 1982 he joined the Department of Science and Technology of the Government of India. He was head of the National Council for Science and Technology Communication (NCSTC) and later Vigyan Prasar, where he r