The following is a summary of history of the lines of the Indian Railway as it was formerly
constituted (i.e. between 1955 and the reorganisations of 2002-3). Opening and closure dates are for
regular traffic, dates in brackets are for goods traffic. The condition of the lines, including spelling of
place names, is, as far as possible, as at Independence (15th August 1947). Letters...
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in brackets after a place
name indicate a physical junction to another system. Lines are organised geographically, according to
their branching from the main line. A code precedes the name of the line.