Kolkata Metro

Kolkata Metro
কলকাতা মেট্রো
Overview
Native name

মেট্রো রেলওয়ে, কলকাতা

কলকাতা মেট্রো রেল কর্পোরেশন
Locale Kolkata, West Bengal, India
Transit type Rapid Transit
Number of lines 1
5 Under Construction
Number of stations

24 Stations (Noapara to Kavi Subhash) (Metro Railway, Kolkata)

11 Stations (Howrah Maidan to Salt Lake Sector-V) (East-West Metro Corridor)
Daily ridership Over 650,000[1]
Chief executive

Sri Ashwani Kumar Kapoor General Manager (Metro Railway, Kolkata)

Sri Ashwani Kumar Kapoor, Chairman (KMRC)
Headquarters

Metro Railway, Kolkata Head Office - Metro Rail Bhavan, 33/1 J.L. Nehru Road, Kolkata - 700071 [2]

Kolkata Metro Rail Corporation Head Office - HRBC Complex, KMRCL Bhawan, 2nd & 3rd Floor, Munsi Premchand Sarani, Kolkata - 700021 [3]
Website
Operation
Began operation

24 October 1984 (24 October 1984) (Metro Railway, Kolkata)

East West Metro (KMRC) - Under Construction
Operator(s)

Metro Railway, Kolkata, 17th Railway Zone of Indian Railways, Operated by Ministry of Railways

Kolkata Metro Rail Corporation Ltd. Undertaken by Govt. of India
Train length 8 Coaches (Each Rakes of Metro Railway, Kolkata)
Technical
System length

27.22 KM (Metro Railway, Kolkata)

14.67 KM (East-West Metro Corridor)
Track gauge 1,676 mm (5 ft 6 in)
(Broad gauge) (Metro Railway, Kolkata)
1,435 mm (4 ft 8 1⁄2 in)
(Standard gauge)(East-West Metro Corridor)
Electrification 750 V DC Third Rail
Average speed 45-50 KMPH

The Kolkata Metro is a metro railway transport system serving the city of Kolkata and the districts of South 24 Parganas and North 24 Parganas in the Indian state of West Bengal. The network currently consists of one operational line from Noapara to Kavi Subhash. Five other lines are under construction. The Kolkata Metro was the first the First Metro Railway in India, opening for commercial services from 1984. This fact is so proudly taken that the Kolkata Metro is called "India's First, Kolkata's Pride". On 29 December 2010, Metro Railway, Kolkata became the 17th zone of the Indian Railways, operated by the Ministry of Railways. In previous there is only one metro railway in Kolkata. But currently there is an another metro railway growing in Kolkata called East West Metro Corridor operated by Kolkata Metro Rail Corporation(KMRC) which is a Govt. of India Enterprise. The East-West Metro Route is planned from Salt Lake Sector-V to Howrah Maidan(Line 2). The Noapara-Kavi Subhash(Line 1) and other proposed Lines(Except Line 2) are operated by Metro Railway, Kolkata and the East-West Corridor(Line 2) is operated by Kolkata Metro Rail Corporation(KMRC).

History

After independence in 1947, the transport problem of Kolkata drew the attention of city planners, the state government and also the government of India. It was soon realized that something had to be done and quickly in order to cope with the situation. Dr. Bidhan Chandra Roy, the then Chief Minister of West Bengal, first conceived in 1949, the idea of building an Underground Railway for Kolkata to try to solve the problems. A survey was done by a team of French experts, but nothing concrete came of this. Efforts to solve the problem by augmenting the existing fleet of public transport vehicles hardly helped, since roads account for only 4.2% of the surface area in Calcutta, compared with 25% in Delhi and even 30% in other cities. With a view to finding alternative solutions to alleviate the suffering of Calcuttans, the Metropolitan Transport Project (Rlys) was set up in 1969.[4] The MTP (Rlys), with help of Soviet specialists (Lenmetroproekt) and East German engineers, prepared a master plan to provide five rapid-transit (metro) lines for the city of Kolkata, totalling a route length of 97.5 km in 1971.[5] However, only three were selected for construction. These were:

Of these, the highest priority was given to the busy north-south axis between Dum Dum and Tollygunge over a length of 16.45 km, and the work on this project was sanctioned on 1 June 1972. The foundation stone of the project was laid by Indira Gandhi, the then Prime Minister of India, on 29 December 1972 and the construction work started in 1973-74. In those early days of Kolkata Metro, the planning, thought processing, and political facilitation of the whole project was borne almost single-handedly by the then Union Railway Minister from West Bengal - A. B. A. Ghani Khan Choudhury - often against (and to the chagrin of) the prevailing socio-political stance of his contemporaries in the West Bengal government. From the start of construction, the project had to contend with several problems including insufficient funds (until 1977-78), a shifting of underground utilities, court injunctions, and an irregular supply of vital materials. Despite the difficulties faced, services began on 24 October 1984, with the commissioning of a partial commercial service covering a distance of 3.40 km[5] with five stations served in between Esplanade and Bhowanipur(Currently Netaji Bhavan). The first metro was driven by Tapan Kumar Nath and Sanjoy Sil. The service was quickly followed by commuter services on another 2.15 km stretch in the north between Dum Dum and Belgachhia on 12 November 1984. The commuter service was extended up to Tollygunge on 29 April 1986 covering a further distance of 4.24 km making the service available over a distance of 9.79 km and covering 11 stations. However, the services on the north section were suspended with effect from 26 October 1992, as this isolated small section was little used. After a gap of more than eight years, the 1.62 km Belgachhia-Shyambazaar section, along with the Dum Dum-Belgachhia stretch, was opened on 13 August 1994. Another 0.71 km stretch from Esplanade to Chandni Chowk was commissioned shortly afterwards, on 2 October 1994. The Shyambazaar-Shobhabazar-Girish Park (1.93 km) and Chandni Chowk-Central (0.60 km) sections were opened on 19 February 1995. Services on the entire stretch of the Metro were introduced from 27 September 1995 by bridging the vital gap of 1.80 km in the middle. [6]

In the final stage, the extension of Line 1 to an elevated corridor from Tollygunge to New Garia was constructed and opened in two phases, Mahanayak Uttam Kumar to Kavi Nazrul in 2009 and Kavi Nazrul to Kavi Subhash in 2010. The latest extension constructed was the 2.59 km elevated corridor from Dum Dum to Noapara on 10 July 2013.

Construction

The North-South metro construction required several new technologies in the fields of civil, electrical, signaling and telecommunications engineering. Indian engineers backed by their own experience and helped by their studies abroad, used the following advanced technologies for the first time in India:

All the new lines were constructed by the new state-of-art technologies. Most of the new links are elevated with only a few being underground. Unlike the North-South Corridor which used the cut-and-cover method for the whole underground route, the tunnels of the new lines were constructed using a tunnel-boring machine (TBM).

Kolkata Metro Master Plan

Kolkata Metro Railway Map (Metro Railway, Kolkata & East West Metro)

In 2010, the Railway Ministry announced plans for the construction of five new metro lines and an extension of the existing North-South corridor. These new projects are:

Further information

Metro Railway, Kolkata - Official Site

Kolkata Metro Rail Corporation - Official Website

Major modifications

Active and Proposed Metro Railway Networks

Line First operational Last Extension Stations Length
(km)		 Terminals
Line 124 October 198410 July 20132427.22NoaparaKavi Subhash
Line 2December 2018 1214.67Howrah MaidanSalt Lake Sector-V
Line 3 December 2018 1517.075Diamond ParkMahakaran

(BBD BAG)

Line 4 917.13NoaparaBarasat
Line 5 1112.40BaranagarBarrackpore
Line 5/1 034.11 NoaparaDakshineswar
Line 6 2429.10Kavi SubhashBiman Bandar
Total 90120.25

Line 1 (Noapara-Kavi Subhash Metro)

Main article: Kolkata Metro Line 1

Line 1 has a total length of 27 kilometres (17 mi) serving 24 stations of which 15 are underground. It has a combination of elevated, ground-level and underground lines and uses five and a half feet (1676 milimetres) of Indian gauge, a broad gauge rolling stock. It was the first underground railway to be built in India, with the first trains running in October 1984, and the full stretch that had been initially planned was completed and operational by February 1995. On 28 December 2010, it became the 17th zone of the Indian Railways.[7] The New Delhi Metro, which opened in 2002, is the second such urban metro rail network in India. It had benefitted from the expertise gained during the Kolkata metro construction. In being the country’s first metro and constructed as a completely indigenous process, the Kolkata Metro was more of a trial-and-error affair, in contrast to the Delhi Metro, which has also seen the involvement of numerous international consultants. As a result, it took nearly 23 years to completely construct a 17 km underground railway.[8]

# Station Name
(English)		 Station Name
(Bengali)		 Line Opened Layout Platform type Notes
1Kavi Subhashকবি সুভাষLine 17 October 2010ElevatedAlso known as New Garia
2Shahid Khudiramশহিদ ক্ষুদিরামLine 17 October 2010ElevatedSideNone
3Kavi Nazrulকবি নজরুলLine 122 August 2009ElevatedAlso known as Garia Bazar
4Gitanjaliগীতাঞ্জলিLine 122 August 2009ElevatedSideAlso known as Naktala
5Masterda Surya Senমাস্টারদা সূর্য সেনLine 122 August 2009ElevatedSideAlso known as Bansdroni
6NetajiনেতাজিLine 122 August 2009ElevatedSideAlso known as Kudghat
9Mahanayak Uttam Kumarমহানায়ক উত্তমকুমারLine 129 April 1986Ground-LevelSideAlso known as Tollygunge
10Rabindra Sarobarরবীন্দ্র সরোবরLine 129 April 1986UndergroundIslandNone
10KalighatকালীঘাটLine 129 April 1986UndergroundIslandNone
14Jatin Das Parkযতীন দাস পার্কLine 129 April 1986UndergroundIslandAlso known as Hazra More
15Netaji Bhavanনেতাজি ভবনLine 124 October 1984UndergroundIslandNone
16Rabindra Sadanরবীন্দ্র সদনLine 124 October 1984UndergroundSideNone
17Maidanময়দানLine 124 October 1984UndergroundIslandNone
18Park Streetপার্ক স্ট্রিটLine 124 October 1984UndergroundSideNone
19Esplanadeএসপ্ল্যানেডLine 124 October 1984UndergroundIslandNone
20Chandni Chowkচাঁদনি চকLine 115 February 1995UndergroundIslandNone
21Centralসেন্ট্রালLine 115 February 1995UndergroundIslandNone
23Mahatma Gandhi Roadমহাত্মা গান্ধী রোডLine 1 27 September 1995UndergroundNone
24Girish Park গিরিশ পার্কLine 115 February 1995UndergroundIslandNone
25Shobhabazar Sutanutiশোভাবাজার সুতানুটিLine 115 February 1995UndergroundIslandNone
26Shyambazarশ্যামবাজারLine 115 February 1995UndergroundIslandNone
26Belgachhiaবেলগাছিয়াLine 112 November 1984UndergroundIslandNone
28Dum DumদমদমLine 112 November 1984ElevatedSideNone
29Noaparaনোয়াপাড়াLine 110 July 2013Elevated2 Side platforms and 1 Island platformNone

Line 2 (East-West Metro)

Main article: Kolkata Metro Line 2
East West Metro Corridor Route Map

East-West Metro, a ₹48,746 crore (US$7.5 billion) project to connect Kolkata with Howrah by an underwater metro line was given the go-ahead by the central government.[9] The length will be 14.67 km (8.9 km underground and 5.77 km elevated). This line will be constructed and maintained by a separate body named Kolkata Metro Rail Corporation (KMRC). However, in January 2011 KMRC and the entire East West (EW) metro corridor, was taken over by the Ministry of Railways from the Ministry of Urban development and the state government of West Bengal. Now the EW Metro's majority stake is with the Indian Railways and the remainder is as a loan from the Japan Bank for International Cooperation.

The West Bengal government had earlier appointed Delhi Metro Rail Corporation Limited to conduct a feasibility study of the project, after which the government had to then put the project on hold due to funding issues. The underwater metro plan was thought of when the first metro service was inaugurated in Kolkata in 1984 by former Prime Minister Indira Gandhi. The route is to cover 12 stations and go under the river through a tunnel. The foundation stone was laid on 22 February 2009.

The construction of line 2 started in March 2009. The East-West Metro will run from Salt Lake Sector 5 (in the east) to Howrah Maidan (in the west). Trains will be air conditioned, and all stations will be equipped with platform screen doors. It will run on standard (4 ft 8.5 in or 1,435 mm) gauge, unlike line 1, which runs on broad (5 ft 6 in or 1,676 mm) gauge.

Between Mahakaran and Howrah Station, the metro will run 1,500 ft (460 m) under the Hooghly River — the first underwater metro in India. The line will be elevated between Salt Lake Sector 5 and Yuva Bharati Krirangan, and the remaining stretch will be underground. Transfer stations will be located at Sealdah and Howrah. However, a new elevated extension from Central Park to Airport has been sanctioned.

The first phase is planned to be operational in June 2018, whereas Railways is trying to complete it by December, 2017.[10]

Line 3 (Joka-B.B.D.Bag Metro)

A 16.72 km long metro line from Joka (in extreme South Kolkata) and BBD Bagh (in central Kolkata) is under construction. It is being built by RVNL and the tender has gone to Simplex Infrastructures.

Proposed stations on this route:[11]

  1. Joka 2.00 km
  2. Thakurpukur 3.455 km
  3. Sakherbazar 4.67 km
  4. Behala Chowrasta 6.13 km
  5. Behala Bazar 7.460 km
  6. Taratala 8.50 km
  7. Majerhat 9.74 km
  8. Mominpur 10.755 km
  9. Kidderpore 11.87 km
  10. Victoria 14.025 km
  11. Park Street (Intersection with Line 1) 15.29 km
  12. Dharamtala 16.215 km
  13. Mahakaran(Dalhousie) (Intersection with Line 2) 17.075 km

The proposed Esplanade station will not to be the same as that of Line 1 (North-South Metro) but a completely different station. Park Street will serve as an interchange between Line 3 and Line 1.

Line 4 (Noapara-Barasat Metro)

The project to build an 18.5 km line from Noapara to Barasat via Netaji Subhas Chandra Bose International Airport[12] is sanctioned and construction work has commenced.

The proposed stations on this route are[13]

  1. Noapara (Intersection with Line 1) (Intersection with Line 5/1) 0.00 km
  2. Dum Dum Cantonment 2.80 km
  3. Jessore Road 5.08 km
  4. Biman Bandar (Intersection with Line 6) 6.245 km
  5. Birati 7.90 km
  6. Michael nagar  
  7. New Barrackpore 10.405 km
  8. Madhyamgram 12.310 km
  9. Hridaypur 14.80 km
  10. Barasat 17.13 km

Line 5/1 (Noapara-Dakshineswar Metro)

  1. Noapara (Intersection with Line 1) (0.00 km )
  2. Baranagar (Intersection with Line 5) ( 2.38 km)
  3. Dakshineswar (4.11 km)

Line 5 (Baranagar-Barrackpore Metro)

The Baranagar-Barrackpore Metro (Line 5) (12.40 km) was meant to enable a quicker commute from the northern suburbs to South Kolkata. As of February 2015, however, this project was unlikely to be executed as metro construction would affect the water pipelines along Barrackpore Trunk Road.[14]

Eleven metro stations were planned on this route. The stations are -

  1. Baranagar 0.00 km (Intersection with Line 5/1)
  2. Kamarhati 1.20 km
  3. Agarpara 2.80 km
  4. Sodepur 4.20 km
  5. Panihati 5.40 km
  6. Subhash Nagar 6.50 km
  7. Khardah 7.90 km
  8. Tata Gate 8.80 km
  9. Titagarh 10.10 km
  10. Talpukur 11.40 km
  11. Barrackpore 12.40 km

Line 6 (Kavi Subhash-Biman Bandar Metro)

A connection between New Garia and the Airport (29.1 km) via E M Bypass, Saltlake and Rajarhat has started; it will help to reduce travel time between the southern fringes of Kolkata to Netaji Subhas Chandra Bose International Airport. The work on this New Garia-Airport line was inaugurated by Mamata Banerjee on 7 February 2011 with a project deadline of six years.[15] The link between Kavi Subhas (New Garia) and the airport, to be set up at a cost of Rs4 billion, will have 24 stations with the terminal Airport station being an underground one.

The stations, as declared of now, will be named after eminent personalities.[15]

  1. Kavi Subhash Metro Station (Intersection with Line 1) 0.00 km
  2. Satyajit Ray Film and Television Institute 1.6 km
  3. Mukundapur 3.0 km
  4. Kalikapur 4.1 km
  5. Ruby Hospital 5.1 km
  6. VIP Bazar 6.40 km
  7. Bantala 7.30 km
  8. Science City 8.6 km
  9. Beliaghata 9.5 km
  10. Chingrighata 11.2 km
  11. Nicco Park 12.6 km
  12. Salt Lake Sector V (Intersection with Line 2) 13.9 km
  13. Technopolis 15.1 km
  14. Bidhan Nagar 16.2 km
  15. Sub CBD-1 17.5 km
  16. CBD-1 18.6 km
  17. CBD-2 20.0 km
  18. New Town 20.9 km
  19. Convention Center 22.1 km
  20. Sub CBD-2 23.30 km
  21. City Centre 24.2 km
  22. Rabindra Tirtha 25.1 km
  23. VIP Road 26.7 km
  24. Airport (Intersection with Line 4) 29.1 km

Infrastructure

Rolling Stock

3000 (new) AC Series coaches of Kolkata Metro

The rolling stock of Kolkata Metro Line 1 uses Indian gauge a broad gauge track which is manufactured by ICF, Chennai, and the electrical components are manufactured by NGEF, Bangalore. Initially, the rolling stock fleet was composed of 4-car rakes. Over the years there has been considerable expansion to the network, both underground and on elevated sections. With the increase in traffic, 8-car rake formation has become a standard for the Kolkata Metro. Presently there are 18 Non AC rakes and 13 AC rakes. Out of the 18 Non AC rakes, 11 will be phased out gradually since they have outlived their normal life of 25 years. The remaining 7 rakes are still in good condition so they will be refurbished and put into service in a phase manner. Until now, three types of trains have been used by Kolkata metro; these are - *BHEL Rake(1000 Series): 9 Rakes were manufactured by ICF, Chennai and were passed into service in the first phase when the metro initially ran from Esplanade to Bhawanipur (now Netaji Bhavan).[16] These trains were dark green in colour and had a yellow stripe at the bottom. Later the colour was changed to white with a dark blue stripe. Presently they are yellow with a wide brown band at the bottom. The rakes are usually numbered from B1 to B9.

Operating From 1984 – present
Length Per Coach 19.5 m
Length Per Train 156 m
Width Per Coach 2.74 m
Maximum Speed 55 km/h
Average Operating Speed 30–31 km/h
Voltage 750 V DC
Electrification 3rd Rail
Coaches per Train 8
Capacity Per Coach 300 approx.[17]
Capacity Per Train 2400 approx.
Total Horse Power of Rake 3036 HP
Environment control Non AC with forced ventilation with washed and cooled air
Operating From 1990 – present
Length Per Coach 19.5 m
Length Per Train 156 m
Width Per Coach 2.74 m
Maximum Speed 55 km/h
Average Operating Speed 30–31 km/h
Voltage 750 V DC
Electrification 3rd Rail
Coaches per Train 8
Capacity Per Coach 300 approx.[17]
Capacity Per Train 2400 approx.
Total Horse Power of Rake 5221 HP
Environment control Non AC with forced ventilation with washed and cooled air
Operating From 2010 – present
Length Per Coach 20.3 m
Length Per Train 162.4 m
Width Per Coach 2.74 m
Maximum Speed 80 km/h
Average Operating Speed 35 km/h
Voltage 750 V DC
Electrification 3rd Rail
Coaches per Train 8
Capacity Per Coach 392 [17]
Capacity Per Train 3136 approx.
Total Horse Power of Rake 5449 HP
Environment control Air Conditioned

Stations and Electrification

Shobhabazar Sutanuti Metro Station, Calcutta
Shahid Khudiram Metro Station

Kolkata metro has 24 stations, 15 of which are underground, 7 are elevated and 2 stations are at grade. All the underground stations have island platforms except Park Street which has side platforms. While all the elevated stations have side platforms, Noapara has island platforms and since it will be the hub station for Line 1 and Line 4 it has 4 platforms having a length of 182m. The standard length of platforms in Kolkata Metro is 170m. The metro stations of Gitanjali & Netaji have the shortest platforms of 163m.[18] The average length between any two stations is 1.14 km. The shortest distance is 0.597 km between Central and Chandni Chowk, whereas the longest distance is 2.15 km between Dum Dum and Belgachia. Since the electrification of Kolkata metro is of the 3rd Rail, 750 V DC, electricity substations were built in Jatin Das Park, Central, Shyambazar.[19] The type of tracks are ballast-less with M1A track fittings.

Signalling and Frequency

Kolkata metro trains operate on typical Indian Railways automatic signalling technology. A Route Relay Interlocking System has been provided at Mahanayak Uttam Kumar and Noapara carshed and are in operation to facilitate the prompt withdrawal and injection of rakes as well as performing shunting operations inside the carshed, required for maintenance purposes. Train Protection & Warning System(TPWS) is provided on the entire stretch of the Metro Railway. This system is designed to prevent collision caused by human (operator) error.[20] Train Describer System and Auto Train Charting have also been provided to help the operartion control centre to monitor and plan train movement on a real time basis.[21] The Metro operates between 06:45 and 21:55 hours, running every 10 minutes and every 5 minutes during peak hours on weekdays. Metro runs on Sundays between the hours of 09:50 to 21:55 hours. A number of 270 trains run during week days, 205 on Saturdays and 92 on Sundays.

Facilities and Services

The Kolkata Metro provides special seats in every compartment which are reserved for women and senior citizens. The Kolkata Metro has also recently introduced functionality to support mobile signals in underground tunnels.[22] Metro stations are equipped with very large fans and few Metro rakes are air conditioned. The Kolkata Metro has introduced a smart card system.

Tokens

After using the magnetic ticketing system for 27 years from 1984 to 2011, Kolkata Metro introduced Radio-Frequency Identification (RFID) tokens by Centre for Railway Information Systems(CRIS) from 2011. The old magnetic strip reader gates were replaced by new RFID readers.

Smart Card

After introducing RFID tokens, Kolkata metro introduced a Smart Card service introduced by Centre for Railway Information Systems(CRIS). These smart cards are multi-programmable and commuters can opt for the various multi-ride schemes. To buy a new card a commuter needs to deposit ₹60, which will be refunded after the card is returned in good condition, before its expiry date. A commuter can recharge the smart card for the sums of ₹100, 200, 300, 500 or 1000 and receive 110% value on every recharge and the card is valid for a year. Kolkata metro also introduced smart card recharging machines, in Park Street station, on an experimental basis, where money could be credited onto the smart card by inserting ₹100 notes into the machine and placing the card in its slot. Another type of Smart Card is the multi-ride card. These cards are bought on the basis of how many rides a commuter takes. The multi-ride smart cards were of 3 types but these services are currently closed. These were however withdrawn after the fare revision in November 2013. The most popular among daily commuters is the general smart card to avoid the queue.

Security

All the stations are equipped with closed-circuit cameras, metal detectors, and X-ray baggage scanners, making the metro the safest form of transport in Kolkata.[23] The taking of photographs, eating, drinking and smoking are all prohibited on the metro premises.

Departments of Metro Railway, Kolkata

Public Relations, Accounts, Electrical, Vigilance, Traffic, Engineering, Signal & Telecommunications, Personnel, Medical, Stores etc.[24]

See also

References

  1. ↑ "Kolkata Metro's expansion plan to change life and times of commuters". The Times of India. 12 August 2012.
  2. ↑ http://mtp.indianrailways.gov.in
  3. ↑
  4. ↑ "Kolkata Metro Rail Corporation Ltd". Kmrc.in. Retrieved 2016-01-27.
  5. 1 2 "Kolkata Metro Rail Corporation Ltd". Kmrc.in. Retrieved 2016-01-27.
  6. ↑ "History". Retrieved 2013-07-18.
  7. ↑ "Kolkata Metro is now the 17th zone of Indian Railways". The Times of India. 29 December 2010. Retrieved 29 December 2010.
  8. ↑ "Photograph of carriage interior" (JPG). 3.bp.blogspot.com. Retrieved 2016-01-27.
  9. ↑ Archived 10 October 2007 at the Wayback Machine.
  10. ↑ "Kolkata Metro inks purchase pact for coaches for East-West corridor - Business Line". Thehindubusinessline.com. Retrieved 2013-04-22.
  11. ↑ "Joka-BBD Bag Metro on the anvil". The Times Of India. 10 July 2010.
  12. ↑ Mandal, Sanjay (29 July 2009). "Circle of Metro commute". The Telegraph (Calcutta, India).
  13. ↑ "Dum Dum-Barrackpore Metro project awaits state nod". Thestatesman.net. Retrieved 2012-07-07.
  14. ↑ "Going going... RIP Barrackpore Metro". The Telegraph. 26 February 2015.
  15. ↑ "Salient Data on Rolling Stock". Retrieved 2013-06-30.
  16. 1 2 3 "First look: your swank AC Metro". Retrieved 2013-06-30.
  17. ↑ "Platforms at two stations shorter than stipulated". 26 May 2010. Retrieved 2013-06-30.
  18. ↑ "Existing Features". Retrieved 2013-06-30.
  19. ↑ "Automatic warning to make Metro safer". 3 March 2013. Retrieved 2013-06-30.
  20. ↑ "Existing Signalling System". Retrieved 2013-06-30.
  21. ↑ "Gaon-6.jpg - Bengali News". Abpananda.newsbullet.in. 2015-06-13. Retrieved 2016-01-27.
  22. ↑ "Kolkata metro to install x-ray baggage scanners". Daily News and Analysis. 5 October 2012. Retrieved 2012-11-07.
  23. ↑ "Metro Railway Kolkata - 2013 MBA". Mba.ind.in. Retrieved 2013-04-22.

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