Pink Line (Delhi Metro)

The Pink Line (Line 7) or Pink Circular Line is a line of the Delhi Metro, a rapid transit system in Delhi, India.^[1] It consists of 46 stations out of which 43 stations are on the main line (Circular line) and 3 stations on the branch line with Maujpur - Babarpur as the common interchange station for both the lines it ends at Shiv Vihar spanning a total length of 73.49 kilometres (45.66 mi), It is Delhi Metro's — and India's — longest metro line. The Pink Line is India's first operational ring metro. It is also known as the Ring Road Line, as it mostly passes alongside the city's Inner Ring Road.^[2]

The Pink Line has interchanges with most of the operational lines of the network, such as the Red Line at Netaji Subhash Place & Welcome, Yellow Line at Azadpur & Dilli Haat - INA, Green Line at Punjabi Bagh West, Blue Line at Rajouri Garden, Mayur Vihar Phase-I, Anand Vihar & Karkarduma, Dhaula Kuan of Airport Express (Orange Line) at Durgabai Deshmukh South Campus, Violet Line at Lajpat Nagar, and Magenta Line at Majlis Park. It also has connections with Hazrat Nizamuddin and Anand Vihar Terminal railway stations, Sarai Kale Khan and Anand Vihar Namo Bharat (RRTS) stations, and the ISBTs at Sarai Kale Khan and Anand Vihar.

The Pink Line has the second highest point above ground on the Delhi Metro at Dhaula Kuan with a height of 23.6 metres (77 ft), passing over the Dhaula Kuan grade separator flyovers and the Airport Express Line.^[3] It possesses the country's smallest metro station, Ashram, with a size of just 151.6 metres (497 ft) against the usual 265 metres (869 ft).^[2] The usual platform length for a six-coach train on this route is 140 metres (459 ft) but it has been reduced to 135 metres (443 ft) in Ashram station.

The service operating in the clockwise direction is also known as "+" Circular Line while the service in the anti-clockwise direction is also known as "-" Circular Line. A feeder line to Shiv Vihar has separate services; passengers have to change platforms at Maujpur - Babarpur to continue on the main route.^[4] Unlike the Blue Line, it does not have a designated line number assigned. Stations on the circular line mention the service name as "+"/"-" Circular Line, via the next station in the moving direction. Eg.: In Rajouri Garden metro station, the train on "-" Circular Line goes via Mayapuri.

Currently, only the Hyundai Rotem trains ply on the whole route. Trials with the Alstom Metropolis trains are ongoing and have not been deployed yet in service.

The line was initially put on table as a metro route that would run almost along the Delhi's busy Ring Road, on the lines of the existing Delhi Circular Railway. A route length of 59.24 kilometres (36.81 mi)^[5] was proposed from Majlis Park to Shiv Vihar, that would cut through all the existing lines at various interchanges as part of Phase 3's expansion plans.

Currently, there are 46 stations in the Pink Line, out of which 34 are elevated and 12 are underground.

The line was opened in stages from 2018 to 2026. The first section on the Pink Line become operational from 14 March 2018 between Majlis Park to Durgabai Deshmukh South Campus, it was then extended to Lajpat Nagar on 6 August 2018. A separate section between Shiv Vihar to Trilokpuri - Sanjay Lake was opened on 31 October 2018 and the initial section was extended to Shree Ram Mandir Mayur Vihar (formerly known as Mayur Vihar Pocket-1) on 31 December 2018.

The section between Trilokpuri - Sanjay Lake and Shree Ram Mandir Mayur Vihar was not completed as construction of a 1.5 km (0.93 mi) viaduct began late due to land acquisition issues at Trilokpuri.^[6] This had rendered the Pink Line into two independent lines and forced DMRC to convert the Shree Ram Mandir Mayur Vihar (formerly known as Mayur Vihar Pocket-1) station into a terminating station with reversal facilities so that trains from Majlis Park would terminate there. On the eastern section, trains would run in separate loops - Shiv Vihar to Maujpur - Babarpur and Maujpur - Babarpur to IP Extension/Trilokpuri - Sanjay Lake. Every third train from Maujpur - Babarpur would move beyond IP Extension to Trilokpuri - Sanjay Lake as the latter has no reversal facilities and single line movement took place in that section. Both disjoint sections were finally bridged on 6 August 2021.^[7]

In December 2024, trial runs were initiated on the Phase 4 extension from Majlis Park to Jagatpur Village stations which were gradually done till Sonia Vihar, and, finally, Maujpur - Babarpur, by August 2025. The Majlis Park to Maujpur - Babarpur stretch was opened on 8 March 2026, making this line India’s first ring metro line. The Soorghat station has not been opened yet due to land issues with DDA therefore the trains bypass the station, although platforms have been built.

The stations of the Pink Line are:^[8]

Gokulpuri-Hindon Airport-Arthala Pink Line Extension: In September 2024, the DMRC proposed a branch of 13 km from Trans-Yamuna North-East Delhi (existing Gokulpuri metro station of Pink Line) to the west Ghaziabad (existing Arthala metro station of Red Line) via Hindon Airport connecting 2 existing Red Line metro stations with 10 new Pink Line stations namely Gol Chakkar, DLF, Shalimar Garden, Hindon Airport, Bhopura, Tulsi Niketan, Rajendra Nagar, New Karhaira Colony, Karhaira, and Loni Road Industrial Area.^[9] It is also officially proposed in delhi metro phase 5 corridors, among the 4 metro corridors of phase 5 in ghaziabad.^[10]

• List of Delhi Metro stations
• Transport in Delhi
• Delhi Metro Rail Corporation
• Delhi Suburban Railway

• Delhi Metro Rail Corporation Ltd. (Official site)
• Delhi Metro Annual Reports
• "Station Information". Delhi Metro Rail Corporation Ltd. (DMRC). Archived from the original on 19 June 2010.
• Delhi Metro Pink Line Details Archived 3 October 2020 at the Wayback Machine