The 12639 / 12640 Brindavan Express is a Superfast express train connecting MGR Chennai Central (MAS) and KSR Bengaluru City Jn (SBC). It leaves MGR Chennai Central at 07:40 and reaches KSR Bengaluru at 13:40 hours. In the reverse direction, it leaves KSR Bengaluru at 15:00 and reaches MGR Chennai Central at 21:05 hours. The train has 22 coaches in its composition.

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Brindavan Express
Brindavan Superfast Express
Overview
Service type	Express
First service	1 October 1964; 59 years ago (1964-10-01)
Current operator(s)	Southern Railways
Route
Termini	Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station (MAS) Krantivira Sangolli Rayanna Bengaluru Station (SBC)
Stops	10
Distance travelled	359 km (223 mi)
Average journey time	6 hours, 10 minutes
Service frequency	Daily
Train number(s)	12639 / 12640
Line(s) used	Chennai–Bangalore line
On-board services
Class(es)	CC, 2S and UR/GS
Disabled access
Seating arrangements	Yes
Sleeping arrangements	No
Auto-rack arrangements	No
Catering facilities	No
Observation facilities	Large windows
Baggage facilities	Overhead racks
Technical
Rolling stock	LHB coach
Track gauge	1,676 mm (5 ft 6 in)
Operating speed	58 km/h (36 mph) average including halts
Route map

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This train introduced in the 1964 as the first intercity express in the Southern Railways. At that time it had stops only at Katpadi Junction and Jolarpettai Junction covering the 360 kilometres (220 mi) in 5 hours. Later due to derailments of some trains the speed was reduced to take 5.5 hours in the 1980s. With increase in stops it has now come to 6 hours. In the early 1980s the train was operated as double decker with ac and non-ac classes, which was later on scrapped, and the train was operated as single deck. In the late 1980s the MAS-JTJ stretch was electrified. JTJ-SBC the train used diesel engines. For the purpose of speed this train used to have twin diesels for the up gradient (deccan) between JTJ and SBC. The Train celebrated its Golden Jubilee run on 1 October 2014. ^[1]

This train is currently hauled by WAP-4, WAP-7 class electric locomotive maintained by Electric Loco Shed Arakkonam, Royapuram of Southern Railway

This train is a daily service train with the following departures and arrivals at some of these stations:-

Earlier with ICF coaches, the train had dedicated rake. Upon launch of LHB coach, the rakes are now shared with Kovai Express (12675/12676).

• 3 Second Class Sitting (Unreserved)
• 13 Second-Class Sitting (Reserved)
• 2 AC Chair Car
• 1 Pantry Car
• 1 EOG
• 1 LSLRD

• Chennai - Bengaluru Shatabdi Express
• Lal Bagh Express
• Chennai - Bengaluru Double Decker Express