Rare pictures of Indian trains from history books

Trains have been an important part of Indian history. On April 16, 1853, the first passenger train in India operated between Bori Bunder (Bombay) and Thane, covering a distance of 34 km. Then, in 1864, a station was built in Chandni Chowk in Delhi when trains from Howrah/Calcutta started running up to Delhi.Here are some beguiling historic pictures of Indian train travel and how it has changed over time.