The fastest diesel hauled Shatabdi Express has got its locomotive changed from diesel to elecric power.
This clip dates back to few days before the power got changed.
Siliguri(SGUJ) WDP4 #20048 honks and smokes as it follows a speed restriction at Sibaichandi with 12042 NewJalpaiguri Howrah Shatabdi Express.
In the second clip SGUJ WDP4 #20000 hits almost 130kmph with 12042 Shatabdi at Nabagram.