National Train Enquiry System plays an important role in providing timely and reliable information to the people who travel by trains, through user friendly interfaces. National Train Enquiry System is managed by Centre for Rail Information Systems [CRIS], Government of India. NTES, as it is popularly known, is software in which one can track a train's position and other details. The other details include live station, Trains between Stations, Rescheduled trains, Diverted Trains, Special

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... and Cancelled trains. The software is frequently updated. The position of a train can be tracked in this software. When a train's number is entered, and the date is mentioned, the train's current position will be tracked. The quality of the software is good. In the live station, when a station's name is entered, all the available trains for the next two or four hours will be displayed. In the trains between stations tab, if the source and destination stations are entered, all the available trains between the two stations will be displayed. The rescheduled, diverted, special and cancelled trains can also be seen in the respective tabs. The quality of the software can be assessed based on the response time and the time taken for the frequent updating of the train's position. The software can be considered reliable since the software is very useful to the passengers and the interface is user friendly. The reliability of the system is satisfactory since it is well maintained and the train's position is frequently updated. The train enquiry system includes the database of all the running trains. If a user wants to track a particular train, he can just enter the train's number and track that train's position. The train's position is frequently updated. The updating is done manually, by the administrators upon getting information from the station masters and the section controllers. A new feature of tracking the train on the map was added recently.