This document discusses the use of information technology in Indian Railways. It begins with an introduction to Indian Railways, the fourth largest railway network globally. It then outlines how IT is used for greater efficiency, freight and passenger revenue enhancement, and improved services. Key IT systems discussed include CRIS, the internal IT service provider; CONCERT for computerized reservation and ticketing; a service-oriented vision; the Parcel Management System; Signalling Maintenance Management System; and the Railway Reservation Ticketing System. The document concludes that IT usage has helped Indian Railways improve quality of services and benefit citizens.