India: Mumbai Metro Line 4 Project (AIIB-000029)

  • India
Geographic location where the impacts of the investment may be experienced.
Financial Institutions
  • Asian Infrastructure Investment Bank (AIIB)
International, regional and national development finance institutions. Many of these banks have a public interest mission, such as poverty reduction.
Project Status
Stage of the project cycle. Stages vary by development bank and can include: pending, approval, implementation, and closed or completed.
Bank Risk Rating
Environmental and social categorization assessed by the development bank as a measure of the planned project’s environmental and social impacts. A higher risk rating may require more due diligence to limit or avoid harm to people and the environment. For example, "A" or "B" are risk categories where "A" represents the highest amount of risk. Results will include projects that specifically recorded a rating, all other projects are marked ‘U’ for "Undisclosed."
Voting Date
Dec 1, 2017
Date when project documentation and funding is reviewed by the Board for consideration and approval. Some development banks will state a "board date" or "decision date." When funding approval is obtained, the legal documents are accepted and signed, the implementation phase begins.
Mumbai Metropolitan Region Development Authority (MMRDA)
A public entity (government or state-owned) provided with funds or financial support to manage and/or implement a project.
  • Transport
The service or industry focus of the investment. A project can have several sectors.
Investment Amount (USD)
$ 500.00 million
Value listed on project documents at time of disclosure. If necessary, this amount is converted to USD ($) on the date of disclosure. Please review updated project documents for more information.
Bank Documents
Primary Source

Original disclosure @ AIIB website

Updated in EWS Jun 29, 2020

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Project Description
If provided by the financial institution, the Early Warning System Team writes a short summary describing the purported development objective of the project and project components. Review the complete project documentation for a detailed description.

According to AIIB documents, the Project will finance North-South connectivity through a modern metro system between Mumbai and Thane district. The Project will run from Wadala through Ghatkopar, Mulund and Thane to Kasarvadavali of approximately 32 km.

The Project consists of three components:

(1) Civil Works: The component consists of the following subcomponents:
(a) constructing a 32-km elevated metro line with a standardized viaduct
(b) constructing 32 elevated metro stations along the metro line, of which 4 stations will be interconnected with other metro lines and the monorail
(c) constructing 2 depots (one main depot for heavy maintenance and one stabling depot for minor maintenance)

(2) Systems: The component consists of installing the following subcomponents:
(a) signaling
(b) telecommunication
(c) traction and power supply (25 KV AC)
(d) other systems related to the metro operation.

(3) Rolling Stock: A total of 216 modern coaches with air conditioning and service-proven equipment with high reliability will be procured. The important criteria for selection of rolling stock includes passenger safety features, energy efficiency, optimized scheduled speed, low life cycle cost, etc.

Investment Description
Here you can find a list of individual development financial institutions that finance the project.

The estimated AIIB investment is $500 USD million.

Contact Information
This section aims to support the local communities and local CSO to get to know which stakeholders are involved in a project with their roles and responsibilities. If available, there may be a complaint office for the respective bank which operates independently to receive and determine violations in policy and practice. Independent Accountability Mechanisms receive and respond to complaints. Most Independent Accountability Mechanisms offer two functions for addressing complaints: dispute resolution and compliance review.

Asian Infrastructure Investment Bank (AIIB):
Soon-Sik Lee
Project Team Leader/Senior Investment Operations Specialist
Tel: +86 10 8358 0078

Borrower/Implementation Agency:
P. R. K. Murthy
Director (Projects)
Metro Project Implementation Unit, MMRDA
Tel: +91 22 2659 0001


The AIIB has established the Accountability Mechanism for Project-Affected People (PPM).  The PPM provides “an opportunity for an independent and impartial review of submissions from Project-affected people who believe they have been or are likely to be adversely affected by AIIB’s failure to implement the ESP in situations when their concerns cannot be addressed satisfactorily through Project level GRMs or AIIB Management processes.” Two or more project-affected people can file a complaint.  Under the current AIIB policy, when the bank co-finances a project with another development bank, it may apply the other bank's standards. You can refer to the Project Summary Information document to find out which standards apply.  You can learn more about the PPM and how to file a complaint at:

The complaint submission form can be accessed in Arabic, Bahasa Indonesia, Bengali, Chinese, English, Tagalog, Hindi, Nepali, Russian, Turkish, or Urdu. The submission form can be found at:

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