Sprayed concrete technology has revolutionized tunnel construction and mining operations since the middle of the 20th century. The development of material science and performance together with advances in spraying equipment technology have made sprayed concrete the building material of choice for today’s underground construction projects. Due to its nature as a spray-applied material, sprayed concrete offers excellent surface sealing and ground strengthening as it perfectly fits the excavation contour, hardening and gaining strength in a remarkably short time frame. The development of modern wet-mix sprayed concrete in particular has contributed considerably to this effort. Furthermore, the proven quality of sprayed concrete has led to it being used more and more as a permanent support solution, replacing the traditional cast in-situ inner concrete lining. To focus on the technical and practical aspects of Sprayed Concrete for Underground Structures, organized this two days workshop on 27-28 February 2014 at New Delhi by Tunnelling Association of India (TAI), Indian Committee on Large Dams (INCOLD) and central Board of Irrigation and Power (CBIP). The workshop was sponsored by M/s Normet, BASF and Bekaert Industries Ltd.