hi
the 26-coach legendary train named Kalka Mail of Indian Railways has been CONTINUOUSLY running [1866-2016] between Kolkata and Kalka [near ChandigaRh]. the extension of this train [Railcar] to Shimla covers a beautiful stretch that climbs to 8000 ft, passes through 76 tunnels and viaducts.
here is a video of how the occasion was marked with celebrations and decorations of the rake.