Delhi Metro to upgrade 70 trains on Red and Blue Lines: Will services be affected?
Delhi Metro Rail Corporation (DMRC) has planned to upgrade 70 trains running on the Red and Blue Lines in a phased manner by November 2027. According to the DMRC, these trains, inducted between 2002 and 2007, have completed nearly 19 to 24 years of service and are now being refurbished with modern systems and features to align with the latest rolling stock standards.
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