HYDERABAD — Microsoft’s Hyderabad cloud region went live this week, its fourth in India and its largest, built with air-cooled chillers that the company says consume zero water for cooling.
The India South Central region became generally available on August 6. It arrives in the same week that a rival hyperscale project in Andhra Pradesh, roughly 600 kilometres away, is being fought in the High Court over water use.
What went live
The Hyderabad region comprises three Availability Zones, built to meet India’s regulatory requirements and seismic-zone standards. Business Standard reported the company describing it as roughly equivalent in size to two Eden Gardens stadia combined.
Microsoft now operates four cloud regions in India: Central India in Pune, South India in Chennai, West India in Mumbai and India South Central in Hyderabad. It also runs two datacentres in partnership with Jio. The company says that gives it the largest hyperscale cloud presence in the country, more Azure regions than any other provider operating here.
Availability Zones matter for a specific reason. Three physically separated zones inside one region let a customer run a workload that survives the failure of an entire datacentre without leaving Indian territory. For banks, insurers and government systems bound by data-localisation rules, that combination is the actual product.
The cooling decision
The technical choice worth dwelling on is cooling. India South Central uses enhanced mechanical cooling with air-cooled chillers, part of what Microsoft calls its move towards next-generation datacentres that consume zero water for cooling.
Traditional evaporative cooling works by letting water evaporate to carry heat away, which is efficient but consumes the water permanently. Air-cooled chillers move heat using refrigerant loops and fans instead. Water use drops to effectively nothing for the cooling function.
The trade-off is electricity. Air cooling generally draws more power to shift the same heat, and that penalty grows in hot conditions. Microsoft has not published the additional load figure for Hyderabad.
Microsoft frames the cooling choice as part of a wider commitment. Under what it calls its Datacenter Community Pledge, the company says it aims to contribute “to a sustainable future, advancing community prosperity and well-being,” and to operate as a good neighbour where it builds. It states it is committed to being carbon negative, water positive and zero waste by 2030, and says it works to procure carbon-free energy for its datacentres globally.
Why the timing is pointed
Zero-water cooling is not a neutral engineering detail in India right now. Google’s $15 billion project in Visakhapatnam, built with the Adani Group, is facing a public interest litigation before the Andhra Pradesh High Court over its draw on a reservoir serving a city that already runs 70 million litres a day short of its water requirement. Google has said that project will use advanced air cooling to protect local water resources. The next hearing is on August 24.
Microsoft’s announcement puts the same claim in a press release rather than a court filing. Whether the two projects perform equivalently in practice is not something either company has demonstrated with published operational data.
What the Hyderabad launch does establish is that a zero-water cooling design is buildable at hyperscale in an Indian climate. That removes one argument developers have used against it, and raises the bar for what regulators can reasonably ask of the next project.
The sovereignty pitch
Microsoft’s language around the launch leans on a word that has become central to how hyperscalers sell in India: sovereign. The company describes India South Central as strengthening the country’s foundation for scalable and sovereign-ready AI.
What that means practically is that data and workloads stay inside Indian jurisdiction, subject to Indian law, on infrastructure the customer can point to on a map. The Digital Personal Data Protection Act and sector rules from the RBI and IRDAI have made that a purchasing requirement rather than a preference for large regulated firms.
The word does carry a limit worth stating. A region operated by an American company on Indian soil is subject to Indian law for the data it holds, but the company itself remains subject to American law. Sovereign-ready describes the location of the servers, not the nationality of the operator, and Indian regulators have been circling that distinction for several years without resolving it.
What Telangana has been promising
Microsoft is not a new arrival. It has been in Hyderabad since the earliest wave of technology investment, employs around 10,000 people in the state and had already built roughly 600 MW of data centre capacity there before this region went live.
The state has been selling hard, and the terms of the pitch are worth noting against the cooling story. IT and Industries Minister D. Sridhar Babu, announcing a dedicated data centre park at Aloor, promised it would come with uninterrupted power and water supply, and described the government’s role as that of a facilitator rather than a regulator.
He has framed the whole programme around a target. “We have embarked upon a mission to make Telangana a USD 3 trillion economy by 2047. It is not a simple mission and we need partners like Amazon in our pursuit,” he said at the foundation ceremony for an AWS facility at Bharat Future City last month.
Chief Minister A. Revanth Reddy has made the investor-friendliness explicit. “Policy paralysis and a pick-and-choose method of granting permissions and incentives will not benefit the state. We have therefore come up with sector-specific policies to ease the difficulties of investors,” he said at the same event.
Amazon, CtrlS and now Microsoft’s largest Indian region are all landing in the same state within roughly a year. A government promising uninterrupted water to a data centre park is making the same kind of commitment Andhra Pradesh is currently defending in court. The difference so far is that Telangana has not been asked to defend it.
The money behind it
The Hyderabad facility is part of a $20.5 billion Microsoft commitment to India. That total combines $3 billion announced in January 2025 with $17.5 billion pledged in December 2025, to be spent between 2026 and 2029 on cloud and AI infrastructure, skilling and operations.
Puneet Chandok, president of Microsoft India and South Asia, framed the region around a shift he says enterprises are trying to make. “How do we move faster from experimenting with AI to creating durable business value with AI?” he said, presenting the new capacity as the answer to that question rather than as raw compute.
He put the strategic claim more sharply in the company’s statement. “We are not investing in infrastructure to keep up with demand. We are investing in India’s ability to set the pace for the world,” Chandok said.
On why physical location matters at all in a business built on remote computing, he argued that trusted digital infrastructure sited close to where data resides and decisions get made is what lets organisations turn AI experiments into long-term value. That is the data-residency case restated as a performance case, and it is the argument the four-region footprint exists to support.
Early adopters named by the company include the Adani Group, Bajaj Finserv, HDFC Bank and PB Pay. Microsoft has also committed to training 20 million Indians in AI skills by 2030.
The demand it is chasing
Azure revenue passed $100 billion for the first time in Microsoft’s fiscal 2026, with Azure and other cloud services growing 43 percent in the fourth quarter. Microsoft 365 Copilot reached more than 30 million paid seats in the same period.
The company says Azure has recorded strong double-digit growth in India over the past two years. Its global infrastructure now spans more than 80 regions across 34 countries and over 500 datacentres.
What it means for India
Telangana gets the immediate benefit, and the competition between southern states for this capacity is now openly a policy contest. Andhra Pradesh has secured roughly 5.5 GW of data centre projects. Telangana has landed Microsoft’s largest Indian region. Both are selling the same pitch of land, power and clearances.
The difference is what happens when the local environmental cost becomes visible. Visakhapatnam is finding out in court. Hyderabad has not faced comparable protest so far, and the zero-water design is a significant part of why.
The broader question the two projects pose together is whether India can host the AI build-out without the water fights that have accompanied it elsewhere. Microsoft has offered one answer at Hyderabad. The Andhra Pradesh High Court will test the other on August 24.
