DMRC floats tender for tunnels to be made in Ph-4 metro

The tender document said that the work will be completed within 42 months after the tender is awarded.

Published on: Nov 25, 2025, 03:16:18 IST

By Jasjeev Gandhiok

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The Delhi Metro Rail Corporation (DMRC) is set to begin work on construction of underground tunnels to connect metro stations for the upcoming Phase-4 Green Line extension from Inderlok to Indraprastha. The corporation has floated a tender for the project.

The 12.3km extension of the Green Line from Inderlok to Indraprastha comprises 10 stations. (HT Archive)

The four metro stations mentioned currently in the tender are New Delhi, Delhi Gate, Delhi Sachivalaya – IG Stadium, and Indraprastha. The document further said that the work will be completed within 42 months after the tender is awarded.

The Union cabinet chaired by Prime Minister Narendra Modi had approved two new corridors of Phase-4 of the Delhi Metro in March last year, which included the 12.3km extension of the Green Line from Inderlok to Indraprastha. This extension comprises 10 stations.

The other corridor approved was the 8km-long Lajpat Nagar to Saket G-block extension, which will become a part of the upcoming Golden Line from Tughlakabad to Aerocity.

The latest tender, dated November 21, seeks bids for the “design and construction of a twin tunnel by a shield tunnel boring machine (TBM), a cut and cover tunnel box, and four underground stations..”

The last date of submitting bids is January 12 and work includes building metro station entry and exits, architectural finishing, water supply works, sanitary installations and drainage.

The bidder will have to submit a security of ₹17.65 crore.

The 10 stations on the new Green Line extension includes Inderlok, Dayabasti, Ajmal Khan Park, Jhandewalan Mandir, Nabi Karim, New Delhi, Delhi Gate, Delhi Sachivalaya and Indraprastha. Out of the 12.3km, 11.3km will be underground with only a 1km station to be elevated, officials aware of the matter said.

This extended corridor will also have five interchanges at Inderlok, Nabi Karim, New Delhi, Delhi Gate and Indraprastha. This will provide connections to the Red, Magenta, Yellow, Violet and Blue lines of the metro.

ABOUT THE AUTHOR
Jasjeev Gandhiok
Jasjeev Gandhiok is an Assistant Editor with Hindustan Times, where he covers environment, climate change, the clean energy transition and wildlife at the National Bureau. Gandhiok has over a decade of experience in journalism and is based in Delhi. He has reported extensively on Delhi and the National Capital Region (NCR). This includes the region's air pollution woes, a polluted Yamuna and on urban wildlife still thriving in the region. He joined HT in October 2021. Prior to that, he had five-year stint at The Times of India in Delhi, where he also covered Delhi, with a focus on environment and wildlife. Gandhiok has covered some recent events around the Capital too, ranging from the farmers' protests, the northeast Delhi riots and the CAA-NRC protests, reporting from the ground on all of these. He also travels across the country to report on how environment and climate change impact everyday life, while also writing on endangered species. His reports in 2019 on toxic leachate from Delhi's landfills led to the National Green Tribunal (NGT) taking suo motu cognisance and ultimately asking the state government to start bio-mining to flatten and remove all three landfills in the capital. He also closely tracks the implementation of government policies on climate, renewable energy and environmental protection. His focus remains on impactful, public-interest journalism which explains how environmental decisions affect people's everyday lives.Read More

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