<Tr> <Th> Dates of operation </Th> <Td> 16 April 1853 (1853 - 04 - 16)--Present </Td> </Tr> <Tr> <Th> Track gauge </Th> <Td> 1,676 mm (5 ft 6 in) 1,000 mm (3 ft 3 ⁄ in) 762 mm (2 ft 6 in) 610 mm (2 ft) </Td> </Tr> <Tr> <Th> Length </Th> <Td> 66,687 kilometres (41,437 mi) (route) 92,081 kilometres (57,216 mi) (running track) 119,630 kilometres (74,330 mi) (total track) </Td> </Tr> <P> Indian Railways (reporting mark IR) is a State owned national transporter, and responsible for rail transport in India . It is owned and operated by the Government of India through the Ministry of Railways . It is the third largest railway network in the world comprising 119,630 kilometres (74,330 mi) of total track and 92,081 km (57,216 mi) of running track over a route of 66,687 km (41,437 mi) with 7,216 stations at the end of 2015 - 16 . In 2015 - 16, IR carried 8.107 billion passengers annually or more than 22 million passengers a day and 1.101 billion tons of freight annually . As of the end of 2015 - 16, of the total 68,525 km (42,579 mi) route length, 28,327 km (17,602 mi) or 45% were electrified and 28,371 km (17,629 mi) or 37% were double or multiple line routes . The railway network is predominantly a broad gauge network . Small stretches of the network use metre and narrow gauges . All the electrified lines use 25 kV AC electric traction . </P>

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