Flickr Snap by Mr. Bhaskar of a Track Inspection Van near Dhanbad Jn :-)
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Original Image Source Link: click here
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PS: The Grand Chord Route has covered a long journey from it's Steam...
more... Days of 80-90 Kmph MPS to 130+ Kmph MPS by WAP-5/7s... thanks to machines like these and the IR crew members behind them :-)