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Mumbai 3 On The Cards All About The Proposed Rs 4000-Crore Mega City

  • Writer: Ajjay Bhagyakar
    Ajjay Bhagyakar
  • 6 minutes ago
  • 2 min read
Mumbai 3 On The Cards All About The Proposed Rs 4000-Crore Mega City explores the ambitious Karnala-Sai-Chirner New Town planned across 323.44 sq. km and 124 villages in Raigad. With ₹4,000 crore earmarked for 2026–27 and strategic connectivity through Atal Setu and Navi Mumbai International Airport, Mumbai 3.0 could emerge as a major new hub for housing, technology, logistics, business and infrastructure.
Source: NDTV 

This is a major development story for the Mumbai Metropolitan Region, centred on the proposed Mumbai 3.0 / Karnala-Sai Chirner New Town and its potential to create a new urban growth corridor around Atal Setu and Navi Mumbai International Airport.

₹4,000 Crore Push for Mumbai 3.0

Mumbai’s next major urban expansion is moving closer to reality. The Karnala-Sai Chirner (KSC) New Town, popularly referred to as Mumbai 3.0, is being planned across 323.44 sq. km and 124 villages in Uran, Panvel and Pen talukas of Raigad district. MMRDA has been appointed as the New Town Development Authority for the project.

A New Growth Corridor Beyond Mumbai and Navi Mumbai

The proposed city is strategically positioned within the wider influence zone of Atal Setu and the Navi Mumbai International Airport, giving the region significant potential for future residential, commercial, industrial and logistics development. The project is intended to support more structured urban growth and create new economic opportunities beyond Mumbai’s already congested core.

₹4,000 Crore Already Earmarked

One of the biggest developments is the financial push behind the project. MMRDA has earmarked ₹4,000 crore for the KSC New Town in its 2026–27 infrastructure-focused budget, signalling that Mumbai 3.0 is moving beyond the concept stage into active planning and development.

A New Approach to Land Development

Land acquisition and development are being pursued through a participatory framework. Landowners have been offered multiple options, including mutual-consent compensation, development rights such as FSI/TDR, and land pooling, under which eligible landowners can receive 22.5% developed land in return for undeveloped land.


MMRDA has also reported progress in acquiring land for the project, including 216 acres secured under its participatory land policy, Mumbai 3 On The Cards All About The Proposed Rs 4000-Crore Mega City.

Surbana Jurong to Shape the Vision

Adding an international dimension to the project, MMRDA has signed an agreement with Singapore-based Surbana Jurong to prepare the Vision Document and Concept Plan for Mumbai 3.0, with the final concept plan targeted within 30 weeks of the agreement.


The planning process could shape how the future city approaches transportation, housing, employment zones, infrastructure, public spaces and sustainable development.

What Could Mumbai 3.0 Mean for Real Estate?

For the real estate sector, Mumbai 3.0 represents a potentially significant long-term opportunity. Unlike established Mumbai neighbourhoods, where development often involves redevelopment or limited land parcels, the KSC New Town offers the possibility of planning large-scale urban infrastructure from the ground up.


However, this is a long-term development story. Infrastructure execution, land acquisition, planning approvals and economic development will ultimately determine how quickly the proposed city takes shape.

The Bigger Picture Mumbai 3 On The Cards All About The Proposed Rs 4000-Crore Mega City

Mumbai is no longer expanding in just one direction.

Mumbai → Navi Mumbai → Mumbai 3.0


With Atal Setu, NMIA, MMRDA's ₹4,000 crore allocation and a new master-planning process, the Raigad region could become one of the most important chapters in the future growth of the Mumbai Metropolitan Region.

Published by: Griha Realty

Source: NDTV 

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