Only 10 minutes late running 12516 Guwahati Trivandrum Central Exp with a HWH WDM 3-D in charge skipping Barsoi Jn furiously..
Guwahati Thiruananthapuram Exp is one of the longest Running Trains in India & the fastest train(Speed:Distance ratio)...After conversion from Mail/Exp(15627/15628) to Sup Fast,its speed & punctuality increased considerably..It connects Far North East of India to the Far Southern most.