Ircon International, or Indian Railway Construction International Limited (IRCON), is an Indian engineering & construction corporation, specialized in transport infrastructure. The public sector undertaking was established in 1976, by the Indian Railways under the Indian Companies Act 1956. IRCON was registered as the Indian Railway Construction International Limited, a wholly owned entity of the Indian Railways. Its primary charter was the construction of railway projects in India and abroad. Ircon has since diversified into other transport and infrastructure segments and with its expanded scope of operations around the world, the name was changed to Indian Railway International Ltd. in October 1995. The Ircon is well known for undertaking challenging infrastructure projects, especially in difficult terrains in India and abroad. Ircon has completed over 1650 major infrastructure projects in India and over 900 major projects across the globe in more than 31 countries. The core competence of the company in order of priority are - Railways, Highways and EHT Substation Engineering and Construction. Ircon is a turnkey construction company that is specialized in railways (new railway lines, rehabilitation/conversion of existing lines, station buildings and facilities, bridges, tunnels, signalling and telecommunication, railway electrification, and wet leasing of locomotives), highways, EHV sub-station (engineering, procurement and construction) and metro rail.