| Overview | |||||
|---|---|---|---|---|---|
| Service type | Express | ||||
| Status | Permanently cancelled between Dibrugarh and Kamakhya Junction on 19 December 2020 | ||||
| First service | 1 October 1974 | ||||
| Current operator(s) | Northeast Frontier Railway | ||||
| Route | |||||
| Termini | Kamakhya (KYQ) Old Delhi (DLI) | ||||
| Stops | 41 | ||||
| Distance travelled | 2,033 km (1,263 mi) | ||||
| Average journey time | 37 hours 40 minutes | ||||
| Service frequency | Daily | ||||
| Train number(s) | 15657 / 15658 | ||||
| On-board services | |||||
| Class(es) | AC 2 Tier, AC 3 Tier, Sleeper class, General Unreserved | ||||
| Seating arrangements | Yes | ||||
| Sleeping arrangements | Yes | ||||
| Catering facilities | Available | ||||
| Observation facilities | Large windows | ||||
| Baggage facilities | Available | ||||
| Other facilities | Below the seats | ||||
| Technical | |||||
| Rolling stock | LHB coach | ||||
| Track gauge | 1,676 mm (5 ft 6 in) broad gauge | ||||
| Operating speed | 54 km/h (34 mph) average including halts. | ||||
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The 15657 / 15658 Brahmaputra Mail is a daily train that connects Old Delhi with Kamakhya in Assam. Introduced in 1972 after the construction of the rail section of the Farakka Barrage, the train originally ran as the Tinsukia Mail between Delhi Junction railway station and New Bongaigaon railway stations, with onward metre-gauge connection by a train of the same name numbered as 7Up and 8Dn to Guwahati and Tinsukia in the Indian state of Assam. The train was renamed to Brahmaputra Mail after the successful gauge conversion of the New Bongaigaon–Dibrugarh metre-gauge lines to broad gauge. Later on, w.e.f. 20/12/2020 this train is running between Kamakhya Junction (KYQ) & Old Delhi (DLI) & is permanently cancelled between Kamakhya Junction & Dibrugarh.