GPT Infraprojects Limited is an India-based company, which is engaged in executing civil and infrastructure projects on the one hand and manufactures railway concrete sleepers on. The Company operates through two segments: Infrastructure and Concrete Sleepers. Infrastructure segment consists of execution of construction contracts and other infrastructure activities. The segment is engaged in construction of roads, bridges, irrigation and railway systems, urban transit, industrial and civil aviation infrastructure. Concrete Sleepers segment consists of manufacturing concrete sleepers. The segment’s operations include the design of track superstructure, transfer of production technology, investment in plant and machinery, establishment of concrete sleeper plant, and manufacture of concrete sleepers. The Company comprises domestic and international manufacturing units at Mirzapur, Uttar Pradesh; Panagarh, West Bengal; Fatehpur, Uttar Pradesh; Ladysmith, South Africa and Tsumeb, Namibia.