Kamakhya–SMVT Bengaluru AC Superfast Express

The 12552/12551 Kamakhya–SMVT Bengaluru AC Superfast Express is a Superfast Express train operated by Northeast Frontier Railway of Indian Railways which connects Bangalore the capital of Karnataka and Guwahati the capital city of Assam, that runs between Kamakhya Junction and Sir M. Visvesvaraya Terminal, Bengaluru^[1] in India via New jalpaiguri , Malda Town , Rampurhat , Durgapur.

Kamakhya Junction – SMVT Bengaluru AC Superfast Express
WAP-7 hauling Kamakhya–SMVT Bengaluru AC Superfast Express at Balasore
Overview
Service type	Superfast Express, AC Express
Status	Operating
Locale	Assam, West Bengal, Bihar, Odisha, Andhra Pradesh, Tamil Nadu, Karnataka
First service	8 February 2014
Current operator(s)	Northeast Frontier Railway zone
Route
Termini	Kamakhya Junction (KYQ) Sir M. Visvesvaraya Terminal, Bengaluru (SMVB)
Distance travelled	3,025 km (1,880 mi)
Average journey time	53 hours
Service frequency	Weekly
Train number(s)	12552 / 51
On-board services
Class(es)	AC 1st Class, AC 2 tier, AC 3 tier
Seating arrangements	No
Sleeping arrangements	Yes
Auto-rack arrangements	No
Catering facilities	Pantry car attached E-Catering available
Observation facilities	LHB coach
Baggage facilities	Below the seats
Technical
Rolling stock	Standard Indian Railways LHB coach
Track gauge	1,676 mm (5 ft 6 in)
Electrification	Yes
Operating speed	130 km/h (81 mph) maximum 57.13 km/h (35 mph) including halts

It operates as train number 12552 from Kamakhya to Sir M. Visvesvaraya Terminal and as train number 12551 in the reverse direction, serving the 7 states of Assam, West Bengal, Bihar, Odisha, Andhra Pradesh, Tamil Nadu and Karnataka.^[2][3][4]

Coaches

The 12552 / 51 Kamakhya Junction–SMVT Bangalore AC Express has 1 AC 1st Class, 4 AC 2 tier, 11 AC 3 tier & 2 End-on Generator Coaches. In addition, it carries a pantry car .

As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.

Service

The 12552 Kamakhya Junction–SMVT Bangalore AC Express covers the distance of 3,025 km (1,880 mi) in 52 hours 25 mins averaging 57.71 km/h (36 mph) and in 53 hours 30 mins as 12551 SMVT Bangalore–Kamakhya Junction AC Express averaging 56.54 km/h (35 mph) .

As the average speed of the train is above 55 km/h (34 mph), as per Indian Railways rules, its fare includes a Superfast surcharge.

Routing

The 12552 / 51 Kamakhya Junction–Sir M. Visvesvaraya Terminal AC Express runs from

ASSAM

1. Kamakhya Junction (Starts)
2. Rangiya
3. New Bongaigaon

WEST BENGAL

1. New Alipurduar
2. New Cooch Behar
3. New Jalpaiguri Junction (Siliguri)
4. Malda Town
5. Rampurhat Junction
6. Durgapur
7. Asansol Junction
8. Adra Junction
9. Bankura Junction
10. Midnapore
11. Hijli (Kharagpur)

BIHAR

1. Kishanganj
2. Barsoi

ODISHA

1. Balasore
2. Cuttack Junction
3. Bhubaneswar
4. Khurda Road Junction
5. Brahmapur

ANDHRA PRADESH

1. Vizianagaram Junction
2. Samalkot Junction
3. Vijayawada Junction
4. Gudur Junction

TAMIL NADU

1. MGR Chennai Central
2. Katpadi Junction
3. Jolarpettai

KARNATAKA

1. Sir M. Visvesvaraya Terminal (Ends).

Note: Bold letters indicates Major Railway Stations/Major Cities.

Reversal

It reverses direction of travel twice during its run at Durgapur and MGR Chennai Central .

Traction

As the entire route is fully electrified. A Howrah base WAP 4 hauls the train from Kamakhya Junction up to Durgapur handing over to a Howrah-based WAP-5 until Chennai Central after which a Lallaguda or Erode-based WAP-5 locomotive powers the train all the way up to Sir M. Visvesvaraya Terminal. .

Operation

• 12552 Kamakhya Junction–Sir M. Visvesvaraya Terminal AC Express runs from Kamakhya Junction every Wednesday reaching SMVT Bangalore on the 3rd day i.e. Friday .
• 12551 Sir M. Visvesvaraya Terminal Junction–Kamakhya Junction AC Express runs from SMVT Bangalore every Saturday reaching Kamakhya Junction on the 3rd day i.e. Monday .

Accidents

On 8 October 2022, A 31-year-old lady travelling with her 3-year-old child and elderly mother slipped and fell between platform no. 1 and the adjoining tracks while hurriedly boarding a moving 12551 SMVT Bengaluru–Kamakhya AC Superfast Express with a manually operated door at SMVT Bengaluru. The lady was initially saved by an officer of the Government Railway Police, who pulled her out onto the platform. She had a fractured arm but unfortunately died while en route to the Bowring & Lady Curzon Hospitals in Shivajinagara, Bengaluru.^[5]

On 30 march 2025, 11 coaches of the train was derailed near Nergundi Junction railway station in Cuttack district at 11:45 am, one person have been killed in this accident with 25 persons hospitalized.^[6] this is the second train of SMVT bengaluru being involved in a train accident in odisha, last time was on 2nd june when Howrah–SMVT Bengaluru Superfast Express collided with Coromandel Express near Bahanaga Bazar railway station which is now known as the 2023 Odisha train collision.

See also

• Chennai–New Jalpaiguri Superfast Express
• Nagaon Express
• Guwahati–Bengaluru Cantt. Superfast Express
• Thiruvananthapuram–Silchar Superfast Express
• New Tinsukia–Bengaluru Weekly Express
• Bangalore Cantonment–Agartala Humsafar Express
• Dibrugarh–Kanyakumari Vivek Express