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21 August 2024 at 10:20:16 am

From Concrete to Compute

How SN Subrahmanyan Is Shaping L&T's AI Future For more than eight decades, Larsen & Toubro (L&T) has been synonymous with India's physical infrastructure, delivering metro systems, airports, power plants and some of the country's most complex engineering projects. Under L&T Chairman SN Subrahmanyan, however, the company's definition of infrastructure is expanding. Increasingly, it includes artificial intelligence, cloud computing, data centres and sovereign digital infrastructure the...

From Concrete to Compute

How SN Subrahmanyan Is Shaping L&T's AI Future For more than eight decades, Larsen & Toubro (L&T) has been synonymous with India's physical infrastructure, delivering metro systems, airports, power plants and some of the country's most complex engineering projects. Under L&T Chairman SN Subrahmanyan, however, the company's definition of infrastructure is expanding. Increasingly, it includes artificial intelligence, cloud computing, data centres and sovereign digital infrastructure the building blocks of India's next phase of economic growth. That shift came into sharp focus at the India AI Impact Summit 2026, where SN Subrahmanyan joined NVIDIA founder Jensen Huang to unveil a strategic collaboration aimed at accelerating AI infrastructure in India. The announcement reflected more than a technology partnership; it signalled L&T's ambition to evolve from a builder of physical assets into an enabler of the country's AI-powered future. An Engineer's Perspective on AI Unlike many business leaders who entered the AI conversation as the technology gained mainstream attention, SN Subrahmanyan approaches it through the lens of an engineer. A civil engineering graduate, he joined L&T in 1984 as a project planning engineer and spent four decades leading some of the company's largest infrastructure businesses across India and the Middle East, including projects such as the Riyadh Metro, Doha Metro and Salalah Airport. After serving as Chief Executive Officer and Managing Director from 2017, he became Chairman and Managing Director in 2023. That experience continues to shape his leadership philosophy. Rather than viewing AI as a standalone technology trend, Subrahmanyan sees it as an extension of engineering one that can improve planning, design, execution and operations at scale. During L&T's FY2024 Annual General Meeting, he described generative AI as a "game changer" and outlined how the company was embedding it across the project lifecycle to improve productivity and decision-making. Why L&T Is Investing in AI Infrastructure For L&T Chairman SN Subrahmanyan, AI is not only about adopting intelligent software; it is about building the infrastructure that makes large-scale AI deployment possible. Through its collaboration with NVIDIA, L&T plans to develop one of India's largest proposed AI infrastructure ecosystems. The first phase includes expanding GPU capacity at its Chennai campus to approximately 30 megawatts while developing a 40-megawatt AI-ready data centre in Mumbai. The infrastructure is intended to support hyperscalers, enterprises, research institutions and government organisations building AI applications across manufacturing, healthcare, financial services, energy and the public sector. The initiative aligns with Lakshya 2031, L&T's long-term growth strategy, which identifies digital infrastructure, cloud services and artificial intelligence as key growth engines. Alongside expanding AI-ready data centres, the company has strengthened its technology portfolio through investments such as its strategic stake in E2E Networks while leveraging businesses including LTIMindtree and L&T Technology Services to create an integrated digital ecosystem. As governments worldwide race to build sovereign AI capabilities, companies that control compute infrastructure rather than just software are expected to occupy a strategic position in the AI value chain. L&T's investment signals that India's AI ambitions extend beyond developing models to building the physical and digital infrastructure required to run them at scale. Building India's AI Backbone Subrahmanyan has consistently argued that AI requires more than algorithms it requires infrastructure. As enterprises move from experimentation to production-scale AI, access to secure compute, cloud platforms and data infrastructure is becoming as critical as traditional industrial assets. This philosophy reflects a broader global trend. Countries are increasingly investing in sovereign AI capabilities to reduce dependence on overseas infrastructure and strengthen digital resilience. L&T's strategy positions the company to participate in this transformation by combining its expertise in large-scale infrastructure delivery with emerging AI technologies. For an engineering company known for constructing roads, ports and industrial facilities, building digital infrastructure is a natural evolution rather than a departure from its core strengths. Leadership Beyond Technology Despite leading one of India's most significant AI infrastructure initiatives, SN Subrahmanyan has consistently maintained that technology alone cannot drive transformation. In L&T's FY2025 Annual Report, he emphasised that while AI is accelerating innovation, long-term value will continue to depend on human judgment, responsible deployment and disciplined execution. That balanced perspective reflects the leadership approach that has defined his career. Rather than pursuing technology for its own sake, he has focused on integrating new capabilities into L&T's long-standing engineering excellence and execution discipline. From Concrete to Compute As industries become increasingly digital, infrastructure itself is being redefined. The assets powering future economies will include not only highways, airports and power plants, but also AI factories, cloud platforms, GPU clusters and data centres. Under SN Subrahmanyan's leadership, L&T is positioning itself at the intersection of these two worlds. The company's strategy is not about replacing concrete with compute; it is about recognising that tomorrow's infrastructure will combine both. If that vision succeeds, L&T Chairman SN Subrahmanyan may be remembered not only for leading one of India's largest engineering companies but also for helping build the digital foundations of the country's AI economy.

Thirty-five pc work completed

Key flyover arms to open by September

Mumbai: The Kalamboli Integrated Infrastructure Project, one of Navi Mumbai’s most strategically significant traffic decongestion initiatives, has achieved nearly 35 percent progress as per schedule, with Maharashtra State Infrastructure Development Corporation (MSIDC) officials confirming that Arm 1, Arm 4 and Arm 5 of the interchange are targeted to be opened by September, 2026.


The project is being developed to transform the heavily congested Kalamboli Junction into a fully signal-free, multi-level transport interchange capable of handling massive passenger and freight movement across the Mumbai Metropolitan Region (MMR). Located at the intersection of critical national and regional transport corridors, Kalamboli acts as a gateway connecting Mumbai, Pune, JNPA, and several industrial and logistics zones.


Officials from the MSIDC stated that the opening of the first three arms will provide immediate operational relief by streamlining some of the most congested traffic movements at the junction. “Work on the project is progressing as per schedule and approximately 35 percent progress has been achieved. Arm 1, Arm 4 and Arm 5 are targeted to be operational by September. These stretches are critical because they handle major freight and passenger traffic flows that currently face severe congestion,” the officials said.


The significance of these three arms lies in the specific traffic movements they are designed to manage. While Arm 1 has been planned to facilitate traffic movement from Shil Phata towards the Steel Yard area, improving connectivity for industrial and local commercial transport operating in and around Kalamboli’s logistics ecosystem, Arm 4 is designed for traffic movement from Mumbai towards JNPA, one of India’s busiest container ports. This arm is expected to substantially ease the movement of container trucks and heavy commercial vehicles transporting cargo to and from the port region.


Arm 5, meanwhile, will cater to traffic moving from Mumbai towards Pune, helping reduce one of the most heavily congested outbound traffic corridors in Maharashtra, particularly during peak travel periods and freight movement hours.


According to experts, the phased opening of these connectors could significantly reduce travel delays and signal waiting times, especially for long-haul cargo vehicles and inter-city passenger traffic. The project has become increasingly important as Navi Mumbai evolves into a major logistics, warehousing and infrastructure hub with the upcoming Navi Mumbai International Airport, Dedicated Freight Corridor connectivity and expanding industrial clusters expected to sharply increase vehicular movement over coming years.


The Kalamboli project includes multiple flyover arms and underpasses aimed at separating conflicting traffic streams and ensuring uninterrupted vehicular movement without signal stoppages. The infrastructure upgrade is also expected to improve road safety, reduce fuel wastage caused by idling traffic and lower vehicular emissions generated due to prolonged congestion.


MSIDC officials said executing such a large-scale project at one of Maharashtra’s busiest transport intersections remains a major engineering and logistical challenge. Construction activities are being carried out while ensuring uninterrupted highway traffic movement, requiring extensive coordination with agencies such as the City and Industrial Development Corporation (CIDCO), the National Highways Authority of India (NHAI) and local administrative bodies.


“The Kalamboli Integrated Project is not only a traffic improvement exercise but also an economic infrastructure intervention. Once operational, it will strengthen regional connectivity between Mumbai, Pune, JNPA and Navi Mumbai while supporting the state’s long-term logistics and industrial growth,” officials added.


Urban planners believe the project will eventually emerge as one of the most critical transport infrastructure assets in Navi Mumbai, particularly as freight movement, port-linked transportation and airport connectivity continue to expand across the region.


The September opening of Arm 1, Arm 4 and Arm 5 is therefore being viewed as the first major operational milestone in a project expected to redefine mobility across one of Maharashtra’s busiest transport corridors.

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