Number: 12515 Train Name: Thiruvananthapuram Central - Guwahati SF Express Regional Name: തിരുവനന്തപുരം - ഗുവാഹാട്ടി സൂപ്പർഫാസ്റ്റ് എക്സ്പ്രസ്സ് Hindi Name: तिरुवनंतपुरम सेंट्रल - गुवाहाटी एक्सप्रेस Inaugural Run: 1984-01-30
Number: 12515 Train Name: Thiruvananthapuram Central - Guwahati SF Express Regional Name: തിരുവനന്തപുരം - ഗുവാഹാട്ടി സൂപ്പർഫാസ്റ്റ് എക്സ്പ്രസ്സ് Hindi Name: तिरुवनंतपुरम सेंट्रल - गुवाहाटी एक्सप्रेस
Source : click here Introduced as Trivandrum - New Bongaigaon express on January 30th, 1984 and was extended to Guwahati in a short while. Until the introduction of the Himsagar express, this train had the longest run in Indian railways. In later years, more trains sharing the time slot were introduced between Howrah/Guwahati and Bangalore/Cochin/Howrah.
Some more information: This trains running days have been changed multiple times over the years. By 1990, the train had been upgraded to a superfast with the number 2601/02. Soon this train along with the Cochin-Guwahati and Bangalore-Guwahati expresses was transferred to NFR, based out of Guwahati and the train lost it's superfast status (now renumbered as 5627/28). From December 1st, 2006, it regained it's SF status and the number was changed to the present 2515/16. This train used to carry through... more...
coaches from Guwahati to Mangalore that were attached to the West Coast express.
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