Indian Railways website(https://indianrail.gov.in)- a excellent portal for train passengers. It gives all the information about each and every train, source and destinations stations. Gives exact timings for all trains. Unknown train numbers and names can be found thru search options.
Also, trains passing thru a station can be found. It is very easy to get all the details for all trains operating in India with few clicks. Particularly in the website (* https://southernrailway.org * ), there is a option called ’’Spot your train’’ . We can get the movements of trains that are reaching or departed from Chennai-Egmore and Chennai-Central. Triangles are represented by trains.
Red triangle represents express trains and blue one represents passenger trains. While the mouse is dragged over the triangles, tooltip will provide the status of the corresponding train. Also lot of other features are available. Few of them are to get the fare, reservation updates, tele-booking (only at delhi), concession rates etc.,