2514 Down Guwahati-Howrah-Secunderabad Express passes Haur Station(Howrah-Kharagpur Section of SER) a bit slow to maintain a gap with Bombay Duronto which had zoomed past moments ago.The locoin charge in the video is a WAP-6 from Asansol ELS which has been converted to a WAP-4 22414 now belonging to Howrah ELS.