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Indian Railways is a governmental entity under the Ministry of Railways which operates India's national railway system. It is run by the government as a public good and manages the fourth largest railway network in the world by size, with a route length of 68,155 km as of March 2019. 40,576 km or 64% of all the broad-gauge routes are electrified with 25 kV 50 Hz AC electric traction as of August 2020.