India South Central cloud region debuts with three zones

The Takeaway

• India South Central begins commercial operations in Hyderabad across three isolated Availability Zones.
• Closed-loop air chillers replace evaporative water towers to cool high-density server racks.
• Early corporate users include Adani Group, HDFC Bank, Bajaj Finserv, and PB Pay.
• All three zones align with domestic compliance rules under the Digital Personal Data Protection Act.

Microsoft expands its Indian cloud footprint by opening its Hyderabad site. It joins existing installations in Pune, Mumbai, and Chennai. Large domestic corporations increasingly want machine learning models processed within national borders. Early access started in August 2026. The facility now processes regular enterprise workloads.

The Hyderabad hub divides its hardware across three Availability Zones, or AZs. Each zone operates as an independent data centre. It uses isolated electrical feeds, backup generators, and separate cooling circuits. Dedicated fibre pathways link the three sites together. If a hardware failure hits one facility, the remaining two maintain operations without data loss. Microsoft designed these racks to house high-density computing clusters for artificial intelligence, known as AI. The installation meets security controls from the Ministry of Electronics and Information Technology, or MeitY. It also complies with data residency mandates from the Reserve Bank of India, or RBI. While central server farms handle heavy processing, teams also look at local development options. As detailed in our report on how Microsoft brings a 35-billion parameter reasoning model to local desks, specialized desktop hardware helps reduce total calls to remote clusters.

Cooling design marks the primary technical difference from older server farms. Traditional facilities depend on evaporative towers that consume millions of litres of municipal water weekly. This campus uses air-cooled chillers instead. The brand claims the facility operates using effectively zero water for cooling; we could not independently verify this claim because verified water audit records have not been released. Choosing dry cooling sidesteps friction with local civic bodies. Large server clusters generate intense heat during sustained model training, turning industrial water consumption into a serious public concern.

Key specifications and operational details for the India South Central cloud region

Competition across the subcontinent remains fierce. Amazon Web Services operates multi-zone server clusters in Mumbai and Hyderabad. Google Cloud serves clients out of Mumbai and Delhi NCR. Both competitors actively court Indian financial institutions with strict data residency promises. Microsoft counters with a binding privacy pledge. The company stated it will not train its public foundation models on private customer data. For risk officers in banking, that contractual wall carries real weight.

Running dense server hardware on the Deccan plateau confronts punishing environmental conditions. Summer heat in Hyderabad regularly climbs past 42 degrees Celsius. Air-cooled chillers must spin cooling fans at peak speeds under those ambient temperatures. That draws heavy current when the regional electricity grid already faces peak demand. The brand claims the infrastructure handles high-density workloads reliably; we could not independently verify how these chillers perform during prolonged local heatwaves without thermal throttling. The campus includes seismic-zone dampening and voltage regulation gear. Even so, sustained summer heatwaves push power distribution units to their limits. In our climate, stable backup diesel power and battery banks matter just as much as high-speed fibre.

India generates nearly twenty percent of all digital data produced across the planet. Yet our country houses only about three percent of global data centre capacity. That massive gap explains why hyperscale cloud providers are spending billions on local real estate.

The technical review desk at Unbox Daily HQ looks past opening week ceremonies. India South Central provides Indian enterprises with lower latency and tight regulatory alignment. But here is the question you must ask: will this infrastructure sustain its promises once launch week ends and summer heat arrives? The brand claims zero water usage for cooling; we could not independently verify this claim under sustained enterprise load. Pricing also remains private, negotiated behind enterprise non-disclosure agreements rather than listed on an open rate card. When ambient heat climbs, air chillers consume significantly more electricity, which can lead to higher operating costs or thermal throttling. Before you migrate production databases, ask for independent uptime audits and real-world temperature performance logs.

Best for: Regulated enterprise workloads requiring local data residency.

Who Is This For: Technology leaders aged 30 to 55 building banking and health platforms.

Courtesy: Microsoft