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{{Short description|Line on the Delhi Metro system}}
{{Use dmy dates|date=October 2020}}
{{Use Indian English|date=September 2023}}
{{Infobox rail line
| color = {{rail color|Delhi Metro|Airport}}
| name = Airport Express Line
| other_name = Orange Line
| image = Delhi_Metro_Airport_Express.jpg
| caption = An elevated stretch of the Airport line.
| type = [[Airport Express Train]]
| system = [[Rapid Transit]]
| status = Operational
| locale = [[New Delhi]], [[India]]
| start = [[New Delhi Metro Station|New Delhi]]
| end = [[Yashobhoomi Dwarka Sector - 25 metro station|Yashobhoomi Dwarka Sector - 25]]
| stations = 7
| daily_ridership = 82,000 (Jan 2019)<ref name="hindustantimes">{{cite news |url=http://www.hindustantimes.com/delhi/metro-s-airport-express-line-ridership-crosses-50-000/story-KQzZXPrgmuuy33IkqdQybJ.html|title=Metro's airport express line ridership crosses 50,000|date=13 August 2016 |access-date=2016-09-30}}</ref>
| open = 23 February 2011
| close = 7 July 2012
| reopen = 22 January 2013
| owner = [[Delhi Metro]]
| operator = [[Delhi Metro Rail Corporation]]
| character = At-grade, Underground, and Elevated
| stock = [[Construcciones y Auxiliar de Ferrocarriles|CAF]]
| linelength = {{convert|22.7|km|mi|abbr=on}}
| tracklength =
| tracks =
| gauge = {{track gauge|sg|allk=on}}
| electrification = {{25 kV 50 Hz}} [[overhead line|overhead catenary]]
| speed_km/h = 120
| elevation =
| map = {{Airport Express (Delhi Metro)}}
| map_state = collapsed
}}

The '''Airport Express Line''' or '''Orange Line''' is a [[Delhi Metro]] line from [[New Delhi Metro Station]] to [[Yashobhoomi Dwarka Sector - 25 metro station|Yashobhoomi Dwarka Sector - 25]], linking [[Indira Gandhi International Airport]]. The total length of the line is {{Cvt|22.7|km}},<ref name="airport1">{{cite news|url=http://www.indianexpress.com/news/airport-line-handed-over-to-reliance-infra/621131/0|title=Airport line handed over to Reliance Infra|work=[[The Indian Express]]|date=20 May 2010| access-date=5 June 2010}}</ref> of which {{Cvt|15.7|km}} is underground<ref>{{cite web|url=http://netindian.in/news/2010/02/14/0005333/delhi-metros-airport-route-get-international-look-sleek-blue-parapet|title=Delhi Metro's airport route to get international look with sleek blue parapet|publisher=netindian|date=14 February 2010|access-date=25 June 2010}}</ref> and {{Cvt|7.0|km}}, from Buddha Jayanti Park to Mahipalpur, is elevated.<ref name="air2"/>

On 27 June 2013 [[Reliance Infrastructure|Reliance Infrastructure Ltd. ]] announced to DMRC that they are unable to operate the line beyond 30 June 2013.<ref>{{cite web|url=https://www.livemint.com/Companies/M0shW825mX33xQakbYhUaL/How-Delhi-airport-metro-line-became-viable.html|title=How Delhi airport metro line became viable|date=25 December 2018}}</ref> Following this, DMRC took over operations of Airport Express line from 1 July 2013 with an operations and maintenance team of 100 officials to handle the line.<ref>{{cite news|url=http://www.thehindu.com/news/cities/Delhi/delhi-metro-takes-over-operations-of-airport-express-line/article4869374.ece|title=Delhi Metro takes over operations of Airport Express Line|work=The Hindu|date=1 July 2013|access-date=5 July 2013|location=Chennai, India}}</ref>

The line runs at a speed of {{Cvt|110|km/h}} providing for a 19-minute journey from [[New Delhi metro station|New Delhi]] to [[IGI Airport metro station|IGI Airport]].<ref>{{Cite web |date=2017-05-11 |title=How Delhi’s airport express line scripted a comeback |url=https://www.hindustantimes.com/delhi-news/how-delhi-s-airport-express-line-scripted-a-comeback/story-qs7U0l4clFqTLqDpgXmfgP.html |access-date=2022-07-13 |website=Hindustan Times |language=en}}</ref><ref>{{Cite web |last= |first= |date=2021-03-22 |title=Delhi Metro Update: Delay in services on Airport Express Line |url=https://www.livemint.com/news/india/delhi-metro-update-delay-in-services-on-airport-express-line-11616375814072.html |access-date=2022-07-13 |website=mint |language=en}}</ref> In 2023, the operational speed of Delhi Airport Express was increased to {{Cvt|120|km/h}} from {{Cvt|80|km/h}}, making it the fastest metro line in the country. <ref>{{Cite news |date=2023-06-23 |title=Delhi Metro hits 110 kmph on Airport Express Line |work=The Times of India |url=https://timesofindia.indiatimes.com/city/delhi/metro-hits-110-kmph-on-airport-express-line/articleshow/101199564.cms |access-date=2023-06-25 |issn=0971-8257}}</ref>

==History==
{{main|Reliance Infrastructure|Delhi Metro}}
The first tenders for line construction were awarded in September 2007.<ref>{{cite web| url=http://economictimes.indiatimes.com/News/News_By_Industry/HCC-led_JV_bags_Rs_77464_cr_Delhi_Metro_order/articleshow/2399529.cms| title=HCC-led JV bags Rs 774.64 cr Delhi Metro order| website=The Economic Times| date=24 September 2007| access-date=2011-10-24}}</ref> On 23 January 2008, the DMRC awarded a 30-year build-operate-transfer PPP contract to the [[Reliance Energy]]-[[Construcciones y Auxiliar de Ferrocarriles|CAF]] consortium.<ref name="caf.es">{{cite web|url=http://www.caf.es/img/prensa/notprensa/20080428102433Railway_Gazette_02_2008.pdf|title=Delhi awards airport PPP|publisher=caf.es|access-date=22 June 2010|archive-url=https://web.archive.org/web/20100407013107/http://www.caf.es/img/prensa/notprensa/20080428102433Railway_Gazette_02_2008.pdf|archive-date=7 April 2010|url-status=dead}}</ref> However, DMRC paid for half of the construction cost and executed tunneling and civil works.<ref name="caf.es"/>

It was built at a cost of {{INR}} 57 billion,<ref name="railwaygazette.com">{{cite web| url=http://www.railwaygazette.com/nc/news/single-view/view/delhi-airport-express-rail-link-opens.html| title=Delhi Airport Express rail link opens| website=Railway Gazette| date=24 February 2011| access-date=2011-10-24}}</ref> of which Reliance Infra paid {{INR}} 28.85 billion (U$580m),<ref name="caf.net">{{cite web|url=http://www.caf.net/img/prensa/notprensa/20090602113223railway3_may2009.pdf|title=Delhi Airport line contracts finalised|publisher=caf.net|access-date=31 March 2010|archive-date=18 July 2011|archive-url=https://web.archive.org/web/20110718025505/http://www.caf.net/img/prensa/notprensa/20090602113223railway3_may2009.pdf|url-status=dead}}</ref> Reliance Infra will also pay fees on a Revenue-share model<ref name="railwaygazette.com"/><ref>{{cite web|url=http://www.financialexpress.com/news/rel-infra-raises-funds-for-delhi-airport-express-railway-line/438554/|title=Rel Infra raises funds for Delhi Airport Express railway line|publisher=[[The Financial Express (India)|The Financial Express]]|date=25 March 2009| access-date=25 June 2010}}</ref>

The elevated section of the Airport Express Line was built over eight busy roads which carry a heavy volume of traffic, including the [[Ring Road, Delhi|Ring Road]], [[National Highway 48 (India)|National Highway 48]], Ridge Road and Sardar Patel Marg.<ref name="road">{{cite news|url=http://timesofindia.indiatimes.com/city/delhi/Delhi-Metro-to-reach-highest-point-in-Dhaula-Kuan/articleshow/4753753.cms|title=Delhi Metro to reach highest point in Dhaula Kuan|date=8 June 2009|access-date=25 June 2010|work=The Times of India}}</ref><ref>{{cite web| url=http://www.delhimetrorail.com/whatnew_details.aspx?id=CLWZNiL81ncl4lld&rdct=d| title=The passenger operation on the Airport Express line starts on the 23rd of February, 2011| website=Delhimetrorail.com| access-date=24 October 2011}}</ref>

Originally scheduled to open by 31 August 2010, well in time for the [[2010 Commonwealth Games]], the line finally opened on 23 February 2011 at 2 pm<ref name="hindu open">{{cite news|date=21 February 2011|title=Airport to be 20 minutes from Connaught Place from Wednesday|work=The Hindu|location=Chennai, India|url=http://www.thehindu.com/news/cities/Delhi/article1477411.ece}}</ref> after missing four previously set deadlines.<ref name=hurdle>{{cite web| url=http://www.indianexpress.com/news/Airport-line-clears-fire-hurdle--now-for-safety-nod/717937| title=Airport line clears fire hurdle, now for safety nod| website=The Indian Express| date=30 November 2010| access-date=2011-10-24}}</ref> The DMRC fined Reliance Infra {{INR}} 37.5 lakh every day from 30 September, and {{INR}} 75 lakh every day from 31 October for repeatedly missing the deadlines.<ref name=hurdle /> The Aerocity and Dhaula Kuan stations opened on 15 August 2011.

Services were suspended on 8 July 2012 due to a series of technical problems,<ref>{{cite web| url=http://www.thehindubusinessline.com/industry-and-economy/logistics/article3612968.ece?homepage=true| website=Business Line| title=Delhi Airport Metro Express to resume services in two months: Govt| date=12 March 2018}}</ref> including cracks in the girders, the iron beams that support the tracks; dislocated bearings that support the train; defective tracks and water seepage in tunnels.<ref>{{cite web| url=http://www.downtoearth.org.in/content/high-speed-derailment| website=Down To Earth| title=High-speed derailment| date=30 September 2012}}</ref> The Urban Development Ministry subsequently disclosed that several clips in the underground section have been seriously damaged and it will take at least 5 months to rectify the problem.<ref>{{cite news| url=http://www.indianexpress.com/news/airport-metro-new-problems-found-will-take-5-months-to-fix/975455/| title=Airport Metro: New problems found, will take 5 months to fix| date=17 July 2012}}</ref> A joint inspection by Delhi Metro and Reliance Infrastructure team has revealed that 540 bearings need rectification and some girders which have cracked also need to be recast.<ref>{{cite news| url=http://economictimes.indiatimes.com/news/news-by-industry/transportation/railways/airport-metro-express-line-flaws-worse-than-thought/articleshow/15013272.cms| title=Airport Metro Express line flaws worse than thought| date=17 July 2012| work=The Times of India| first1=Rumu| last1=Banerjee}}</ref>

The line reopened on 23 January 2013, operating at a reduced speed of {{Cvt|50|km/h}}. At the reduced speed the time travel from [[New Delhi Metro Station]] to Airport was around 40–50 minutes. After inspection by the DMRC and various other experts, in mid-2014, DMRC reinstated 80 km/h speeds on the line.<ref>{{Cite web |date=2016-08-19 |title=Back on track: The story of Airport Express metro line’s turnaround |url=https://www.hindustantimes.com/delhi/airport-express-metro-line-records-highest-number-of-riders/story-1txLRSrbU3xqkWVKopP8wL.html |access-date=2023-02-10 |website=Hindustan Times |language=en}}</ref>

At the original speed of {{Cvt|80|km/h}}, the journey from [[New Delhi Metro Station]] to Airport takes just 20 minutes.

In 2022, the DMRC decided to increase the operating speed from 80 km/h to 120 km/h by 2023 reducing travel time from the current 20 minutes to less than 15 minutes.<ref>{{Cite news |date=2022-08-25 |title=Need for speed: NDLS to Delhi airport's Terminal 3 in less than 15 minutes |work=The Times of India |url=https://timesofindia.indiatimes.com/city/delhi/need-for-speed-ndls-to-delhi-airports-terminal-3-in-less-than-15-minutes/articleshow/93763257.cms |access-date=2023-02-10 |issn=0971-8257}}</ref>

On 17 September 2023, the [[IICC - Dwarka Sector 25 metro station]] opened to the public, extending the Airport Express Line two kilometers into the [[India International Convention and Expo Centre]] (also known as Yashobhoomi), which opened on the same day. The station is underground within the new convention center, with entrances providing a quick connection to current and future exhibition halls as well as an indoor arena, among other attractions at the new convention center.<ref>{{cite web|date=16 September 2023|title=Delhi Metro Update: PM Modi to inaugurate extension of Airport Express Line. Key things to know |url=https://www.livemint.com/news/india/delhi-metro-update-pm-modi-to-inaugurate-extension-of-airport-express-line-key-things-to-know-11694828791010.html|access-date=2023-09-16 |website=Mint |language=en}}</ref>

==Map==
[[File:Airport Express Line (Delhi Metro).png|600px|center|Airport Express Line (Delhi Metro)]]

==Stations==
{{main|List of Delhi Metro stations}}
[[File:Delhi Airport Metro standing on New Delhi metro station.jpg|left|thumb|[[New Delhi metro station]]]]
All the six metro stations on the line are known as City Airport Terminals (CATs). They are fitted with state-of-the-art gadgets like explosive detectors, large x-ray baggage scanners, under vehicle scanners, quick reaction teams and dog squads to ensure full security of commuters and baggage alike. The stations have full-height [[platform screen door]]s to prevent untoward incidents and to provide better air conditioning. All the stations are secured with a network of [[Closed-circuit television|CCTV]] cameras which relays live images to the station control room, security control room and operations control centre. The security of the airport line is handled by [[Central Industrial Security Force]] who also handles the safety of all the stations of DMRC.

All the stations are disabled friendly so that people on wheelchairs can access them with facilities such as stations with ramps having a mild slope leading to elevators, the elevators are specially designed for the convenience of physically challenged people and capable of carrying stretchers, help call points are located at various points of stations and trains so that in case of any emergency, a disabled person can seek help by just pressing the call buttons. The elevators can be used by visually impaired persons with the elevator buttons having Braille letters.<ref name="delhimetro">{{cite news| url=http://www.hindustantimes.com/Easy-ride-for-disabled-in-Metro/Article1-587760.aspx| archive-url=https://web.archive.org/web/20100819202244/http://www.hindustantimes.com/Easy-ride-for-disabled-in-Metro/Article1-587760.aspx| url-status=dead| archive-date=19 August 2010| title=Easy ride for disabled in Metro| author=Subhendu Ray| work=Hindustan Times| date=17 August 2010| access-date=17 August 2010}}</ref>

{| class="wikitable" style="text-align:center; width:100%;"
|-
! style="text-align:center; background:#{{rail color|Delhi Metro|Airport}};" colspan="8" | <span style="color:WHITE;">Delhi Airport Express Line stations</span>
|-
! rowspan="2"|#
! colspan="2"|Station Name
! rowspan="2"|Opening
! rowspan="2"|Interchange Connection
! rowspan="2"|Station Layout
! rowspan="2" |Depot Connection
! rowspan="2" |Depot Layout
|-
! [[English language|English]]||[[Hindi]]
|-
|1|| style="text-align:center;"|'''{{stl|Delhi Metro|New Delhi}}'''||'''नई दिल्ली'''|| style="text-align:center;" |23 February 2011||{{rcb|Delhi Metro|Yellow|broute}} <br/>'''[[New Delhi Railway Station]]'''
|Underground
| None||None
|-
|2|| style="text-align:center;"|'''{{stl|Delhi Metro|Shivaji Stadium}}'''||'''शिवाजी स्टेडियम'''|| style="text-align:center;" |23 February 2011||None
|Underground
| None||None
|-
|3|| style="text-align:center;"|'''{{stl|Delhi Metro|Dhaula Kuan}}'''||'''धौला कुआँ'''|| style="text-align:center;" |15 August 2011||{{rcb|Delhi Metro|Pink|broute}}
||Elevated
| None||None
|-
|4|| style="text-align:center;"|'''{{stl|Delhi Metro|Delhi Aerocity}}'''||'''दिल्ली एरोसिटी'''|| style="text-align:center;" |15 August 2011
|{{rcb|Delhi Metro|Silver|broute}}<br/>'''(Phase 4 - Under Construction)'''||Underground
| None||None
|-
|5|| style="text-align:center;"|'''{{stl|Delhi Metro|IGI Airport}}'''||'''आईजीआई एअरपोर्ट'''|| style="text-align:center;" |23 February 2011||'''[[Indira Gandhi International Airport|IGI Airport]] Terminal-3'''||Underground
| None||None
|-
|6|| style="text-align:center;"|'''{{stl|Delhi Metro|Dwarka Sector 21}}'''||'''द्वारका सेक्टर २१'''|| style="text-align:center;" |23 February 2011||{{rcb|Delhi Metro|Blue|broute}}
|Underground
|'''Dwarka Sector 21 Depot'''
|At Grade
|-
|7|| style="text-align:center;"|'''[[Yashobhoomi Dwarka Sector - 25 metro station|Yashobhoomi Dwarka Sector - 25]]'''||'''यशोभूमि द्वारका सेक्टर - २५'''|| style="text-align:center;" |17 September 2023|| None
|Underground
| None||None
|}

==Operations==
While it was initially planned to run trains 24 hours a day with a frequency of 10 minutes, train services, {{as of|2012|lc=y}}, operate from 4:45 am to 11:30 pm,<ref>{{cite web| url=http://www.delhiairportexpress.com/home/index.html| url-status=dead| title=Schedule wef Feb 2012| archive-url=https://web.archive.org/web/20120620014256/http://www.delhiairportexpress.com/home/index.html| archive-date=20 June 2012| access-date=2012-06-17}}</ref> with a 15-minute frequency.

While originally expected to carry 42,000 people daily by 2011 as per detailed project report prepared by DMRC, actual ridership has hovered around 20,000.<ref>{{Cite web |url=http://www.delhicapital.com/delhi-metro/news/metro-saves-cost-time-on-igi-line.html |title=Delhi Metro Airport Express Line, New Delhi Railway Station to IGI Airport Metro |access-date=9 December 2011 |archive-url=https://web.archive.org/web/20111201062932/http://www.delhicapital.com/delhi-metro/news/metro-saves-cost-time-on-igi-line.html |archive-date=1 December 2011 |url-status=dead }}</ref> Within a few years, due to several initiative and fare reduction by the DMRC, ridership crossed 50,000 per day.<ref name="hindustantimes"/>

==Fare==
The fare for commuting has been fixed at {{INRConvert|60}} for travel from [[New Delhi metro station]] to [[IGI Airport]] / [[Dwarka Sector 21 metro station|Dwarka Sector 21]].<ref name=":0">{{Cite web |title=DMRC : Airport Express Metro Timing & Fares |url=http://old.delhimetrorail.com/Airport-Express-Timing-Fare.aspx |access-date=2022-04-11 |website=old.delhimetrorail.com}}</ref> There are also passes available for 30 and 45 trips costing {{INRConvert|1600}} and {{INRConvert|2000}} respectively for travelling from New Delhi to IGI Airport.<ref name=":0" /> This keeps the per trip cost at {{INRConvert|53.33}} and {{INRConvert|44.44}} respectively and are valid for one calendar month. There are other such passes available for different origin destination combinations. Stored Value cards are also on offer which will give 10% discount on all the trips. These airport express fares are cheaper than any other modes of transport to reach airport.<ref>{{cite web| url=http://www.delhiairportexpress.com/passenger-guide/metro-timings.html| url-status=dead| archive-url=https://web.archive.org/web/20111022070207/http://www.delhiairportexpress.com/passenger-guide/metro-timings.html| archive-date=2011-10-22| website=Reliance Metro| access-date=2011-10-24| title=Metro Timing & Fares}}</ref>

== Infrastructure ==
[[Siemens Mobility]] is providing signalling, power transmission, and [[baggage handling system]] enabling passengers to check in with baggage at the [[New Delhi metro station]] and [[Shivaji Stadium metro station|Shivaji Stadium]], with 1200 passengers per hour capacity.<ref name="airport">{{cite news| url=http://www.indianexpress.com/news/airport-line-on-track-for-sept-opening/619655/1| title=Airport line on track for Sept opening| work=The Indian Express| date=17 May 2010| access-date=5 June 2010}}</ref><ref>{{cite web| url=http://www.transportweekly.com/pages/en/news/articles/61244/| title=Siemens to equip new metro link to New Delhi airport| date=15 May 2009| website=Transport weekly}}</ref> The €34 million project was expected to be completed by 2010 in time for the [[Commonwealth games]] but it did not manage to meet the deadline. [[Alcatel-Lucent|Alcatel]] is supplying the communications systems.<ref name="caf.net"/> [[Indra Sistemas]] is providing the ticket machines. [[Faiveley Transport|Faiveley]] is providing the platform screen doors. Bluestar and [[Honeywell]] is the control and automation provider for Station Management System (SMS). Bluestar is the main BEMS system provider.

The line will be the first line in the country to be mapped on [[Geographic Information System]] to enhance safety, maintenance and traffic regulation and will help in mobilising emergency services in case of an accident.<ref name="times">{{cite news| url=http://timesofindia.indiatimes.com/articleshow/5862333.cms| title=Metro train to Delhi airport soon, tests to start| work=The Times of India| date=27 April 2010| access-date=25 June 2010}}</ref> In April 2020, DMRC published a notice for procuring a SCADA System at the line's Operational Control Centre (OCC)<ref>{{Cite web| url=http://www.delhimetrorail.com/otherdocuments/922/NIT-CE-36.pdf| title=DMRC Contract – CE-36| website=Delhi Metro Rail Corporation}}</ref>

=== Rolling stock ===
[[File:DelhiMetro AirportExpress 20111214.jpg|thumb|left|Inside an Airport Express train]]
[[File:Board showing next station in Delhi Airport Metro Express.jpg|thumb|left|Board showing next station in Delhi Airport Metro Express]]

Eight six-car trains supplied by [[CAF Beasain]] were imported from Spain.<ref name="airport1"/> CAF holds 5% equity in the DAME project and [[Reliance Infrastructure]] holds the remaining 95%.<ref name="caf.net"/> The trains on this line are of a premium standard and have in-built noise reduction features for a noise-free ride with padded fabric seats. The trains are fitted with an event recorder which can withstand high levels of temperature and impact and the wheels have flange lubrication system for less noise and better riding comfort.<ref name="times"/>

Based on the consultancy by [[MTR]], the interior design of the rolling stock is highly similar to that of [[Hong Kong]]'s [[Airport Express (MTR)|Airport Express]] line, which uses [[MTR Adtranz-CAF EMU|very similar trains]].

=== Tracks ===
To ensure safety, the tracks are fitted with RHEDA-2000 signalling technology, which theoretically allows trains to travel at up to 350 km/h (nearly three times the actual maximum speed of current trains).<ref name="technology">{{cite news| url=https://www.thehindu.com/news/cities/Delhi/New-technology-for-faster-travel-at-the-Metro-Airport-Express-Link/article16876648.ece| title=New technology for faster travel at the Metro Airport Express Link| work=The Hindu| location=Chennai, India| date=25 August 2009}}</ref> The entire 22.7 km route is ballast-less track, which costs 40–50% more than normal train tracks, but does not take longer to lay than traditional tracks. The rails rest on rubber pads on the concrete sleepers for less noise.<ref name="technology"/>

The 7 km elevated section from Buddha Jayanti Park to Mahipalpur has been built with 25 m long girders for the first time in India.<ref name="air2">{{cite web| url=http://www.thaindian.com/newsportal/uncategorized/delhi-metro-using-special-extra-long-girders-for-airport-stretch_100140534.html| title=Delhi Metro using special extra-long girders for airport stretch| website=Thai Indian| access-date=11 May 2009| archive-url=https://web.archive.org/web/20180103072802/http://www.thaindian.com/newsportal/uncategorized/delhi-metro-using-special-extra-long-girders-for-airport-stretch_100140534.html| archive-date=3 January 2018| url-status=dead}}</ref> The 504 girders weigh 120 tons each and were cast in Mahipalpur and transported on 35 m long trailers with 64 tyres.<ref name="air2"/>

==Check-in and cloak room facility==
The line has the first check in facility outside an airport in South Asia.

Passengers flying with Air India and Vistara which use T3 terminal as base of operations can check in at the New Delhi Metro Station. The check-in can be done anytime before 6 hours to 2 and half hours before departure time. Passengers flying for international flights also started checking in as this facility from 22 February 2012, however that has been stopped since COVID.

Cloak room facilities are available as well, with rates beginning at Rs 50 for the first 4 hours for luggage weighing less than 20 kilograms, to Rs 350 for 24 hours for luggage weighing more than 30 kilograms.<ref>{{Cite web| url=http://www.delhimetrorail.com/Check-in-facility.aspx| website=DMRC| title=Airport Express Line| access-date=2018-10-10}}</ref>

==Smartphone as ticket==
Delhi Metro Rail Corporation has introduced QR code-based ticketing facility for travel on Airport Express Line from September 2018.<ref>{{cite web| url=https://timesofindia.indiatimes.com/city/delhi/delhi-from-saturday-use-your-phone-as-ticket-on-airport-line/articleshow/65815803.cms| title=Delhi: From Saturday, use your phone as ticket on Airport Line| website=[[The Times of India]]| date=15 September 2018}}</ref> The system will enable passengers to purchase tickets using 'Ridlr mobile App' without physically coming to the metro station. Airport Line stations even have QR-enabled entry and exit gates for commuters.

==WiFi service==
The Airport Express line introduced WiFi services at all six stations along the route on 13 January 2012. It was the first line of the Delhi Metro to provide WiFi services. Connectivity inside metro trains travelling on the route is expected in the future. The WiFi service is provided by YOU Broadband India Limited.<ref>{{cite press release| archive-url=https://archive.today/20120911082729/http://www.businesswireindia.com/PressRelease.asp?b2mid=29835| url=http://www.businesswireindia.com/PressRelease.asp?b2mid=29835| url-status=dead| archive-date=11 September 2012| title=Reliance Metro Airport Express Goes WiFi with YOU Broadband| author=YOU Broadband & Cable India Limited| date=January 23, 2012}}</ref>

==Post office==
The post office will have all basic postal services like speed post, e-post, express parcel, registered post, postal stamps and revenue stamps on all working days from 10 am to 4 pm.<ref name=":1">{{Cite web |date=2012-04-26 |title=Airport Express Metro commuters can now avail postal services |url=https://www.hindustantimes.com/business/airport-express-metro-commuters-can-now-avail-postal-services/story-Gwe5xfUZEd4DmtKeEWgl5M.html |access-date=2022-09-16 |website=Hindustan Times |language=en}}</ref>

Postal services can be availed by both commuters and non-commuters as the counter is located at the non-paid area of [[New Delhi metro station|New Delhi metro station's]] concourse level.<ref name=":1" />

==Movie shooting and promotional venue==

Ever since Shah Rukh Khan boarded the Airport Express line to promote "[[Ra.One]]", the new line has become the cynosure of most Bollywood promotions in the capital. Actor Abhishek Bachchan, along with co-stars Sonam Kapoor and Neil Nitin Mukesh headed to the Airport line to promote his movie "Players" in Delhi, and also attempted to break a safe while travelling from one station of the Airport line to another.

* '''Promotions'''
# SRK for '[[Ra.One]]' - Airport Express
# SRK, Priyanka Chopra, Farhan Akhtar, Ritesh Sidhwani for 'Don 2' - Airport Express New Delhi Station
# Manoj Bajpayee, Tia Bajpai and Maqbool Khan for 'Lanka' - Airport Express line
# Emraan Hashmi for '[[The Dirty Picture]]' - Rajiv Chowk metro station
# Star cast of 'Players' - Airport Express Line

* '''Shootings'''
# 'Jannat 2' - Shivaji Stadium metro station
# '[[Kismat Love Paisa Dilli]]'- Shivaji Stadium metro station
# Tamil Film 'Thaandavam' - Shivaji Stadium metro station

== See also ==
*[[Transport in Delhi]]
*[[Delhi Suburban Railway]]
*[[Hyderabad Airport Express Metro]]
*[[Blue Line (Namma Metro)|Namma Metro ORR-Airport Metro Line]]
*[[Airport Express (MTR)]]

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== References ==
{{reflist|30em}}

== External links ==
{{Commons|Delhi Metro}}
{{commons category inline|Delhi Metro}}
* [https://www.delhimetrorail.com/airport-express-line Delhi Airport Metro Express Line]
* [http://www.railway-technology.com/projects/delhi-rail-link/ Delhi Metro Airport Rail Images & Information]
* [http://www.delhimetrorail.com/ Delhi Metro Rail Corporation Ltd. (Official site)]
* {{cite web|title=Station Information |work=Delhi Metro Rail Corporation Ltd. (DMRC) |url=http://www.delhimetrorail.com/commuters/station_information.html |url-status=dead |archive-url=https://web.archive.org/web/20100619035828/http://delhimetrorail.com/commuters/station_information.html |archive-date=19 June 2010}}
* [http://www.urbanrail.net ''UrbanRail.Net''] – descriptions of all metro systems in the world, each with a schematic map showing all stations.
{{Delhi Metro}}
{{Delhi & NCR Metro stations}}
{{Rapid transit in India}}
{{Rapid transit in Asia}}

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[[Category:Delhi Metro lines]]
[[Category:Airport rail links in India]]
[[Category:Railway lines opened in 2011]]
[[Category:25 kV AC railway electrification]]

Airport Express Line (Delhi Metro) - Revision history

Ajay Kumar: Creating a new article