The mighty veteran Purulia Express serving for decades, daily commuters' lifeline and witness to a Rising Bengal! - Soumyadip Mahato

The Bhopal Shatabdi with offlink TKD WAG-5A twins
The fastest train in India is the Bhopal Shatabdi Express(Train number 12002) which touches 150kmph on theTughlakabad- Mathura section (as per info by Chaitanya Mangesh Gokhale and Trayambak Ojha )
and is considered fastest both in terms of average speed for end to end journey and also for attaining the highest speed for any train in India at any point during the journey. The usual link (i.e. the the usual loco /engine) given for this train is a WAP-5 class loco of Ghaziabad Electric Loco...
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Shed,the WAP-5 class of locos are the fastest locos on Indian Railways at present . On 9-June-2012 ,the allotted WAP-5 loco failed near Karonda/Agasod on Jhansi-Bhopal section and the train was delayed by around 4 hours.And in place of WAP-5,WAG-5A multiple unit (multiple unit means when 2 or more locos attached together to get more power, in this case TKD WAG-5A 23314 and 23251 ) took charge and brought the train upto Bhopal .Later , a WAP-4 (Vadodara WAP-4 22679 ) class of loco took charge of the train for its return journey to New Delhi.
By Shan Fernades