Over the past 20 years, India has built its digital foundation inside out. Fibre has reached far and wide, but content, compute and data centres remain concentrated in a handful of big cities. Around 80 per cent of India’s data centre capacity sits in Mumbai, Chennai, Delhi-NCR, Bengaluru and Hyderabad. This can be attributed to the country’s early international cable landing stations in Mumbai and Chennai, where the first data centres were built. The imbalance is stark by international comparison. Hyperscalers typically run 5-10 availability zones in a market the size of the US, with roughly 350 million subscribers, but only two in India, a market more than four times as large. That concentration made sense when most data centres served global rather than domestic traffic. It makes far less sense now.
India’s internet usage has already flipped, with rural subscribers outnumbering urban ones and Tier 2 and Tier 3 users emerging among the heaviest consumers of data. That shift echoes an earlier one. In the early 2000s, when networks were still built around voice, industry forecasts that data traffic would eventually overtake voice seemed implausible. However, it did so decisively once affordable data plans arrived. Feasibility was once the industry’s biggest constraint, when fibre reach was patchy and last-mile connectivity relied on copper, if it existed at all. But that is no longer the obstacle. Today, the challenge is that compute has not followed demand out of the metros.
Fibre and edge – Two halves of one system
Neither fibre nor edge computing delivers a usable digital experience alone. A request that travels 1,500-2,000 km to a metro data centre and back – a round trip of roughly 40-60 milliseconds – will never feel instant and that delay is increasingly incompatible with applications such as artificial intelligence (AI) inferencing, robotics and real-time video analytics, which need responses in under 10 milliseconds. Distributed edge data centres, interconnected by high-capacity fibre, bring compute within that latency budget while keeping regional traffic regional rather than routing it back to a metro core. Crucially, this build-out does not compete with fibre demand, it multiplies it. Every edge node needs dense last-mile and tower backhaul, high-fibre-count data centre interconnect back to core and cloud and resilient metro and long-haul rings for redundancy.
Techno Digital’s approach applies this principle through a public-private partnership with RailTel, bringing together RailTel’s pan-India fibre backbone and reach, and Techno Digital’s data centre execution, edge infrastructure and power sector expertise.
Backed by Techno Electric’s 40-year legacy in power infrastructure and EPC, Techno Digital brings deep experience in power availability, land readiness, infrastructure delivery and energy-efficient data centre design. This allows edge sites to be planned not only as connectivity points, but as reliable digital infrastructure nodes with the power, resilience and operational discipline needed for mission-critical workloads. Together, they illustrate a broader shift taking place across the industry: the future will not be built on fibre or edge infrastructure alone, but on how effectively the two are integrated to bring digital experiences closer to where they are needed.
A live network and a growing digital fabric
This distributed infrastructure model is already taking shape. Techno Digital’s 50 MW hyperscale data centre in Chennai serves as the core of its digital infrastructure platform, strategically located near India’s cable landing stations for both international and domestic connectivity. In North India, the Noida campus has commenced operations with an 800 kW first phase, while a 30 MW second phase is under development to support growing enterprise and AI workloads. Complementing these hyperscale campuses are operational edge data centres in Gurugram and Mumbai, with a broader roadmap to establish around 102 edge data centres across Tier II and Tier III cities in partnership with RailTel. Rather than creating isolated facilities, the objective is to build a distributed compute fabric where hyperscale campuses, regional edge infrastructure and nationwide optical fibre work together as one interconnected ecosystem.
The takeaway
The immediate driver is straightforward. Rural, Tier II and Tier III users already generate more internet traffic than urban users. The larger driver, however, is AI. Model training may remain centralised, but AI inferencing is inherently distributed. Whether enabling a chatbot, industrial automation, public services or city-level video analytics, inferencing delivers the best experience only when compute sits close to where demand is generated. As AI adoption accelerates, the industry will need to rethink not just where fibre is deployed, but where compute is placed. The future lies in building distributed infrastructure where optical fibre and edge data centres evolve together, bringing both connectivity and compute closer to demand wherever it emerges across the country.
Read insights from Amit Agrawal, President, Techno Digital, in this Tele.net article on The Next Great Demand Wave.
