Kolkata Metro Railway is set to become member of elite club of London, Moscow, Berlin, Munich, and Istanbul Metro
Kolkata Metro Railway, India’s first Metro built by Indian Railways on 24th October 1984, has been serving as a lifeline for Kolkata, the city of Joy for nearly 40 long years.In Kolkata Metro Railway, the power to Metro Rake is supplied to rolling st
Source: indiaeducationdiary.in