L&T’s ₹10,000–15,000 Cr AI Factory: India’s Compute Moment

A new chapter in India’s AI infrastructure story is taking shape in Chennai. Larsen & Toubro

has secured a mega order, classified in the ₹10,000–15,000 crore range, to develop a 10,000-GPU NVIDIA B300 AI Factory for US-based Together AI. The facility is planned at L&T Vyoma’s Chennai data-centre campus and is positioned as India’s largest single-cluster AI infrastructure facility. The bigger story is not just the order size. AI needs three things at scale: compute, power and infrastructure. 10,000 high-performance GPUs require specialised data-centre facilities, high-density power systems, advanced cooling, networking and reliable digital infrastructure. L&T’s existing Chennai campus has been designed for high-density AI workloads, with 30 MW IT-load capacity. This creates a wider ecosystem opportunity. Indian Nifty 500 companies to watch for potential ecosystem linkages: • Larsen & Toubro — AI infrastructure, engineering and data centres • Tata Communications — connectivity and digital infrastructure • Tech Mahindra — enterprise AI and technology services • Cummins India — power-generation equipment supporting critical infrastructure • Siemens — electrification, automation and industrial infrastructure These companies are not necessarily direct beneficiaries of this specific order. The learning point is how one AI infrastructure project can create demand across the broader digital, power and engineering ecosystem. India’s AI race is increasingly becoming an infrastructure race. AI growth depends not only on software innovation, but also on scalable compute, power, cooling, connectivity and reliable infrastructure.