Menu
Science & Technology

➔ Data Centres in India Infrastructure for the Digital Age (UPSC/RAS/PSI)

Read in:
  • Nodal Ministry/Department- Ministry of Electronics and Information Technology (MeitY) & Ministry of Finance

Macro Profile, Growth Drivers & National Capacity

  1. Invisible Engines of Digital Economy- Data centres serve as foundational facilities housing computing, storage, and networking hardware that continuously store, process, and distribute data powering UPI payments, e-Governance, and AI workloads.
  2. Capacity Expansion Trajectory- India's operational data centre power capacity expanded from ~375 MW in 2020 to 1.575 GW as of August 2026, with projections estimating near 8 GW by 2030.
  3. Massive Capital Inflows- The sector has attracted USD 70 billion in ongoing projects alongside an additional USD 90 billion in announced investments from domestic and global hyperscalers.
  4. National Public Infrastructure Backbone- The National Informatics Centre (NIC) operates state-of-the-art National Data Centres in Delhi, Pune, Hyderabad, and Bhubaneswar, supported by 37 mini data centres across State capitals.
  5. City-Wise Operational Clustering (August 2026)-
    1. Mumbai / Navi Mumbai- 790 MW (commanding ~50% national market share due to undersea cable landing stations)
    2. Chennai- 305 MW.
    3. Bengaluru- 182 MW.
    4. Hyderabad- 152 MW.
    5. Delhi-NCR / Noida- 76 MW.
    6. Tier-II & Emerging Nodes- 15 MW across Pune and Kolkata, expanding into Andhra Pradesh, Madhya Pradesh, and Chhattisgarh.
  6. Private Sector-Led Ecosystem- Majorly established, financed, and managed by private enterprise based on power reliability, optical fibre access, and commercial tenant demand without direct government capital subsidies.

Technical Anatomy & The "Click-to-Response" Request Lifecycle

  1. Core Hardware & Redundancy Systems- Integrates high-density CPU/GPU computing clusters, Solid-State Drives (SSDs), Uninterruptible Power Supplies (UPS), backup diesel/gas gensets, and HVAC precision cooling units.
  2. Virtualization & Software Orchestration- Leverages virtualization to partition single physical enterprise servers into multiple virtual machines (VMs), maximizing hardware compute utilization and thermal efficiency.
  3. Security & Ingress Gateway (The "Security Guard")- Incoming encrypted user traffic over the public internet is initially filtered by deep-packet inspection firewalls and authentication gateways to block DDoS attacks.
  4. Workload Distribution (The "Traffic Cop")- Intelligent load balancers evaluate real-time server stress and route digital requests to the optimal, lowest-latency active server node.
  5. Application Processing & API Intermediary (The "Chef & Waiter")- The application server runs software logic, interfacing via Application Programming Interfaces (APIs) to query legacy micro-services.
  6. Data Retrieval & Final Delivery (The "Digital Vault")- Database servers extract the requested record from high-speed storage, returning the complete payload to the citizen's mobile/web interface within 1–2 seconds.

Enabling Policy Framework & Allied Technology Missions

  1. Harmonized Infrastructure Status- Granted formal inclusion into the Harmonized Master List of Infrastructure under the Union Budget 2022–23, facilitating access to long-term concessional credit and external commercial borrowings.
  2. Long-Term Cloud Tax Holiday- The Union Budget 2026–27 notified a corporate tax holiday for eligible foreign cloud service providers utilizing Indian data centres for global operations, valid from FY 2026–27 to 2046–47 (until 2047).
  3. IndiaAI Mission Integration- Backed by an outlay of ₹10,371.92 crore to procure GPU compute capacity and establish sovereign AI model training clusters within domestic facilities.
  4. Semiconductor Synergies (Semicon 2.0)- Approved in July 2026 with an allocation of ₹1,27,500 croreunder the India Semiconductor Mission to build domestic memory, processing chips, and advanced packaging infrastructure.
  5. IT Hardware & Component PLI Schemes- Strengthened via the PLI Scheme 2.0 for IT Hardware(domestic server assembly) and expanding the Electronics Components Manufacturing Scheme (ECMS)outlay from ₹22,000 crore to ₹40,000 crore.
  6. State-Level Industrial Incentives- Complemented by sub-national data centre policies providing stamp duty exemptions, land allotment subsidies, and dual-grid power provisioning.

Energy Footprint, Clean Power Integration & Regulatory Codes

  1. Surging Power Demand Projections- Central Electricity Authority (CEA) estimates indicate that data centre power demand could climb up to 17 GW by 2031–32, driven by generative AI models and hyper-connectivity.
  2. Green Energy Open Access Rules- Enables operators to procure 100% renewable power directly from off-site solar and wind farms through open-access power purchase agreements (PPAs).
  3. Nuclear Baseload Integration (SHANTI Act)- The Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India (SHANTI) Act supports captive nuclear power and Small Modular Reactors (SMRs) to feed 24x7 clean electricity to mega server parks.
  4. Bureau of Indian Standards (BIS) LITD 31 Metrics- Technical committee LITD 31 standardizes critical operational green parameters-

a.     Power Usage Effectiveness (PUE)- Measures the ratio of total facility power consumed to energy delivered to IT compute gear.

b.     Carbon Usage Effectiveness (CUE)- Quantifies greenhouse gas emissions generated per kilowatt-hour of IT electricity consumption.

  1. Building Energy Codes (BEE)- Enforces mandatory compliance with the Energy Conservation Building Code (ECBC) 2017 and the updated Energy Conservation and Sustainable Building Code (ECSBC) 2024.
  2. Grid Balancing & Storage Linkages- Promotes co-located battery energy storage systems (BESS) and Green Energy Corridors to absorb renewable generation fluctuations.

Water Security, Advanced Cooling & Next-Gen Thermal Management

  1. Cooling Efficiency Ratio (CER) & Water Usage Effectiveness (WUE)- Standardized by BIS to benchmark heat-rejection efficiency against cubic metres of cooling water consumed per megawatt-hour.
  2. Groundwater Extraction Governance- Enforces strict adherence to Central Ground Water Authority (CGWA) and Ministry of Jal Shakti extraction guidelines to prevent local aquifer depletion.
  3. Transition to Direct-to-Chip Liquid Cooling- Shifts away from legacy ambient evaporative air-chillers to circulating dielectric liquid coolants directly across high-heat GPU silicon dies.
  4. Immersion Cooling Systems- Deploys single-phase and two-phase liquid immersion tanks, submerging entire server blades in non-conductive fluids to reduce cooling energy demand by up to 30%.
  5. Closed-Loop & Adiabatic Systems- Implements closed-loop hydronic loops that recycle treated wastewater and utilize dry air-to-air heat exchangers to reach near-zero net water consumption.
  6. High-Density Server Racks- Integrates high-density power distribution racks that compact larger compute processing into smaller physical footprints, cutting structural water and airflow requirements.

Strategic Significance 

  1. Data Sovereignty & Jurisdictional Security- Domestic hosting protects sensitive Indian citizen records, financial data, and biometric metadata under the jurisdiction of the Digital Personal Data Protection (DPDP) Act, preventing extraterritorial surveillance.
  2. Anchor for Sovereign Artificial Intelligence- Local high-performance computing clusters ensure sovereign foundational AI models (such as BharatGen) can be trained domestically without foreign compute dependence.
  3. Subsea Cable Geopolitics- Concentrated coastal hubs (Mumbai, Chennai) establish India as the primary digital transit and data routing crossroad between Southeast Asia, the Middle East, and Europe.
  4. Urban Spatial & Resource Strain- Rapid expansion creates competition for municipal grid electricity and freshwater in water-stressed urban agglomerations, requiring mandatory shift toward inland non-potable wastewater reuse.
  5. National Security & Critical Information Infrastructure- Categorized as critical digital assets requiring defense-in-depth cybersecurity oversight under the National Critical Information Infrastructure Protection Centre (NCIIPC) and CERT-In.
  6. Realizing the Viksit Bharat@2047 Vision- Provides the digital backbone necessary to scale Industry 4.0, smart manufacturing, financial inclusion, and autonomous digital public services.

Source:PIB