**Executive Summary**
This document is an answer provided by the Minister of Housing and Urban Affairs to the Lok Sabha Starred Question No. 70 regarding the status of metro lines 2, 3, 4, and 6 in Mumbai. The answer addresses delays, cost estimates, funding, integration with suburban railways, and commuter convenience. The answer was due on December 4th, 2025. A statement has been laid on the Table of the House.
**Key Points / Main Content**
* **Project Implementation:**
* Lines 2A, 2B, 4, 4A, and 6 are state sector projects implemented by MMRDA.
* Line 3 is implemented by MMRCL, a 50:50 Joint Venture of the Governments of India and Maharashtra.
* **Reasons for Delays and Project Status (as of 31.10.2025):**
* **Line 2A (Dahisar to Andheri West):**
* Delays due to land acquisition, steel span launching, tree cutting, utility diversion, and COVID-19.
* Fully operational since January 2023.
* **Line 2B (DN Nagar, Andheri to Mandale, Mankhurd):**
* Delays due to retendering, Public Interest Litigations, Airport Authority clearances, height restrictions, railway permissions, land acquisition, environmental regulations.
* Civil works: 90% physical progress, 82% financial progress.
* **Line 3 (Aarey Colony to Cuffe Parade):**
* Delays due to Bombay High Court stay on tree cutting, litigation against land use change, and COVID-19.
* Fully operational since October 2025.
* **Line 4 & 4A (Wadala - Kasarvadavali - Gaimukh):**
* Delays due to land acquisition, rehabilitation, narrow Right of Way, utility shifting, and permissions.
* Line 4: 88% physical progress, 80% financial progress. Line 4A: 96% physical progress, 98% financial progress.
* **Line 6 (Swami Samarthnagar to Vikhroli):**
* Delays due to High Court stay, Kanjurmarg Depot issues, Navy land permissions, railway crossing permissions, and land acquisition.
* 82% physical progress, 79% financial progress.
* **Expediting Issues:**
* The Government of Maharashtra expedites land acquisition issues through regular reviews in war room meetings and inter-departmental coordination.
* **Cost Estimates and Expenditure:**
* Line 2A: Original and revised cost: ₹6,410 Cr; Expenditure incurred: ₹6,251.90 Cr.
* Line 2B: Original and revised cost: ₹10,986 Cr; Expenditure incurred: ₹7,969.38 Cr.
* Line 3: Original cost: ₹23,136 Cr; Revised cost: ₹37,276 Cr; Expenditure incurred: ₹34,308.63 Cr (61% cost escalation).
* Line 4 & 4A: Original and revised cost: ₹15,498 Cr; Expenditure incurred: ₹6,251.38 Cr.
* Line 6: Original and revised cost: ₹6,716 Cr; Expenditure incurred: ₹2,359.34 Cr.
* **Funding:**
* Asian Development Bank (ADB) loan for Line 2 system components: USD 815.74 million.
* Japan International Cooperation Agency (JICA) loan for Line 3: JPY 3,54,132 million.
* **Integration and Commuter Convenience:**
* A foot over bridge (FOB) is planned at Bandra for Line-2B.
* FOB planned for connectivity to Lokmanya Tilak Terminus/Tilak Nagar station.
* Line-3 alignment integrated with major stations like CSMT, Mumbai Central, Churchgate, Dadar, and Santacruz.
* National Common Mobility Card (NCMC) Mumbai 1 card introduced on Lines 2A & 7.
* Multimodal Integration works are planned, including footpaths, bus bays, bicycle stands, etc.
* ToD Regulation included in Brihanmumbai Municipal Corporation(BMC) Development Control Regulations(DCRs) 2034 for Line-3 stations.
**Impact Analysis**
**Stakeholder:** Government of Maharashtra (GoM)
* **Impact:** Responsible for overseeing the implementation of metro projects through MMRDA. Responsible for expediting land acquisition and resolving inter-departmental issues.
* **Action Required:** Continue monitoring project progress, resolving pending issues, and ensuring coordination between various agencies.
**Stakeholder:** Mumbai Metropolitan Region Development Authority (MMRDA)
* **Impact:** Responsible for implementing Lines 2A, 2B, 4, 4A, and 6.
* **Action Required:** Continue to expedite the works related to lines 2A, 2B, 4, 4A, and 6.
**Stakeholder:** Mumbai Metro Rail Corporation Limited (MMRCL)
* **Impact:** Responsible for implementing Line 3.
* **Action Required:** Continue to expedite the works related to line 3.
**Stakeholder:** Commuters
* **Impact:** Metro Lines provide travel solutions, connectivity, and easier mobility.
* **Action Required:** Plan and be aware of routes and services available.
**Stakeholder:** Asian Development Bank (ADB) and Japan International Cooperation Agency (JICA)
* **Impact:** Funding metro projects.
* **Action Required:** Monitor the proper implementation of the projects.
Key Entities Referenced
Metro Lines in Mumbai: Subject of the parliamentary question concerning delays, costs, and integration of various metro lines in Mumbai.
Mumbai Metropolitan Region Development Authority (MMRDA): State Authority implementing metro projects Line-2A, Line-2B, Line-4 & 4A and Line-6.
Mumbai Metro Rail Corporation Limited (MMRCL): A Joint Venture Special Purpose Vehicle implementing Mumbai Metro Line-3.
Asian Development Bank (ADB): Providing loan for system component of Metro Line-2.
Japan International Cooperation Agency (JICA): Providing loan for Metro Line-3 project.
GOVERNMENT OF INDIA
MINISTRY OF HOUSING AND URBAN AFFAIRS
LOK SABHA
STARRED QUESTION NO. 70
TO BE ANSWERED ON DECEMBER 04, 2025
METRO LINES IN MUMBAI
NO. 70. PROF. VARSHA EKNATH GAIKWAD:
SHRI SANJAY DINA PATIL:
Will the Minister of HOUSING AND URBAN AFFAIRS be pleased to
state:
(a) whether the Government is aware of delays in completion and
operationalization of metro lines 2, 3, 4 and 6 in Mumbai and if so,
the details thereof and the reasons therefor along with the revised
timelines for their completion;
(b) whether the Government has taken any measures to expedite land
acquisition, environmental clearances and utility shifting to avoid
further delays and if so, the details thereof;
(c) the original and revised cost estimates for each of these metro lines,
the expenditure incurred so far and the extent of cost escalation;
(d) whether the Government has sought or received assistance from the
Japan International Cooperation Agency (JICA) and the Asian
Development Bank (ADB) for funding these projects and if so, the
details thereof;
(e) the steps taken to ensure seamless integration of metro corridors
with suburban railway stations including Dadar, Bandra and Kurla;
and
(f) whether the Government proposes to introduce integrated ticketing,
last-mile connectivity and non-motorized transport facilities to
improve ridership and commuter convenience in Mumbai and if so,
the details thereof?
ANSWER
THE MINISTER OF HOUSING AND URBAN AFFAIRS
(SHRI MANOHAR LAL)
(a) to (f): A Statement is laid on the Table of the House.STATEMENT REFERRED TO IN REPLY TO PARTS (a) to (f) OF THE LOK
SABHA STARRED QUESTION NO. 70 FOR ANSWER ON 04th DECEMBER,
2025 REGARDING METRO LINES IN MUMBAI.
In Mumbai, various metro projects including Line-2A & Line-2B, Line-4 &
4A and Line-6 are implemented by Mumbai Metropolitan Region
Development Authority (MMRDA) as state sector projects, whereas
Mumbai Metro Line-3 is implemented by Mumbai Metro Rail Corporation
Limited (MMRCL), which is a 50:50 Joint Venture Special Purpose Vehicle
(SPV) of Government of India and Government of Maharashtra.
(a) The reasons for delay in completion of these metro rail projects and
present status thereof are as follows:
Metro lines Reasons for delays Project
status
(as on
31.10.2025)
Metro Line-2A Delay in land acquisition, delay in Fully
Dahisar to launching of 37m steel span over operational
Andheri West Metro Line 1, tree cutting permission since
(DN Nagar), and forest permissions, removal of January 2023
18.6 km Overhead HT line, diversion of major
utilities, change in Depot location
from Oshiwara to Charkop, Covid-19
Pandemic etc.
Metro Line-2B Retendering of contracts packages Civil works:
DN Nagar, due to poor performance of Physical
Andheri to contractors, delay due to Public Progress:
Mandale, Interest Litigations for Elevated vs 90%
Mankhurd, Under-Ground metro, delay in Financial
23.6 km clearance from Airport Authority for Progress:
the Juhu Airport Funnel Zone, delay 82%
due to height restriction at Halav
Bridge crossing, changes in
alignment due to various factors,
delay in railway crossing
permissions, Land acquisition,
environmental CRZ (Coastal
Regulation Zone) and tree cutting
permission.
Metro Line-3 Stay granted by Hon’ble Bombay High Fully
Aarey Colony Court on tree cutting permission and operational
to Cuffe transplantation, litigation in Hon’ble since
Parade, 33.5 High Court against change of land October 2025
km use and development of Depot atAarey affecting tree cutting
permission by Tree Authority, delay in
Coastal Regulation Zone and Forest
clearances, Covid-19 pandemic,
Depot work got affected by multiple
litigations and also was kept on hold
for more than 2 years by order of
Govt. of Maharashtra between
November, 2019 to July, 2022.
Metro Line 4& Delay in Land acquisition and Civil works:
4A Rehabilitation and Resettlement Line-4:
Wadala - (R&R), narrow Right of Way (RoW) and Physical
Kasarvadavali restricted working hours, delay due Progress:
- Gaimukh, 35 to major utility shifting, delay in 88%
km permissions like tree cutting, tree Financial
transplantation, and clearance for Progress:
Coastal Regulation Zone (CRZ) and 80%
mangrove, change in alignment, Line-4A:
interchange stations Physical
Progress:
96%
Financial
Progress:
98%
Metro Line-6 Due to stay order granted by Hon’ble Civil works:
Swami High Court (in Oct. 2024) work at Physical
Samarthnagar Kanjurmarg Depot halted for one Progress:
to Vikhroli, year, Delay in working permission for 82%
14.5 km Navy land at Kanjurmarg, delay in Financial
railways crossing permission, forest Progress:
clearance at various locations, delay 79%
in land acquisition, delay in tree
cutting permission,
(b) Government of Maharashtra (GoM) has informed that the land
acquisition issues are expedited by taking regular reviews in war room
meetings at Hon’ble Chief Minister level including review meetings at
regular intervals by senior officials to resolve inter departmental issues
and fast track pending issues.
(c) The details regarding original and revised cost estimates and
expenditure incurred against each of these metro lines are as under:(₹ in Cr.)
Original cost Expenditure
Metro Lines Revised Cost
Cost escalation incurred
Line 2A 6,410 6,410 - 6,251.90
Line- 2B 10,986 10,986 - 7,969.38
Line-3 23,136 37,276 61% 34,308.63
Line - 4 & 4A 15,498 15,498 - 6,251.38
Line -6 6,716 6,716 - 2,359.34
(d) GoM has informed that Loan from the Asian Development Bank (ADB)
has been taken for Metro Line-2 for System Component amounting to USD
815.74 million and for Metro Line-3 project loan of JPY 3,54,132 million
has been taken from Japan International Cooperation Agency (JICA).
(e) GoM has informed that in order to provide seamless connectivity to
suburban station at Bandra a dedicated foot over bridge (FOB) of about
250 m length has been planned from Bandra Metro Station of Metro Line-
2B. Further, to provide connectivity to Lokmanya Tilak Terminus, Tilak
Nagar suburban station (Next to Kurla suburban station), a dedicated foot
over bridge (FOB) has been planned. Further, alignment of Line-3 has been
integrated with all the important stations like CSMT Station, Mumbai
Central (Jagannath Shankershet Station) and is in close proximity of
Churchgate Station, Dadar Station, Santacruz station (connected through
a skywalk).
(f) GoM has informed that for integrated ticketing, National Common
Mobility Card (NCMC) Mumbai 1 card has been introduced on 19th January,
2023 on Mumbai Metro Line 2A & 7, which is being actively used by
commuters. Further, implementation of Multimodal Integration works
have been planned and undertaken for all Metro lines in Mumbai
Metropolitan Region, which includes widening & improved footpaths,
smooth entry/exit to commuters and physically challenged persons,
provision of dedicated bays for bus, autos, taxi and ambulance etc.
Installation of Railings below metro station area, Road
markings/paintings, advanced bus stops etc., The provision of bicycle
stands has also been made near metro stations. For easy access to metro
stations, GoM has included ToD Regulation in Brihanmumbai Municipal
Corporation(BMC) Development Control Regulations(DCRs) 2034
applicable to Line-3 stations, wherein vestibule (subway) connection is
mandatory for development availing TOD FSI.
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