12803 Vishakapatnam H.Nizamuddin Swarna Jayanti Express crosses my Chennai bound 12270 Duronto Express somewhere between Delhi and Mathura Junction. It is a bi-weekly train between VSKP and NZM, an average speed of 64 km/hr with 17 halts in its 2092 km journey. It was hauled by LGD WAP-4 !