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Nxtra Kolkata (Bengal Silicon Valley) data center

New Town, Kolkata, West Bengal, India · Kolkata market · location approximate to district level

Nxtra Kolkata (Bengal Silicon Valley) is a data center project in New Town, Kolkata, India, operated by Nxtra by Airtel. It is under construction. It is planned for 25 MW of IT load.

Latest change on record: moved to under construction on 27 March 2026. Record last checked against its sources on 20 October 2026.

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Stage
Under construction
Planned IT load
25 MW
Running now
Not disclosed
Operators rarely publish this
Operator
Nxtra by Airtel
Telco
AI workloads
Likely
Evidence grade
Corroborated
Will it get built?Leaning yes5 of 7 gates passed
✓ Land secured✓ Power arranged✓ Approvals granted✓ Money committed○ Tenant or own use○ Builder appointed✓ Construction started

Next gate to watch: Tenant or own use.

Your call. Will it be built?

Build odds is ArusGrid's reading of the public record, not a forecast, a rating or advice. It counts the gates this project has passed in public sources. Private progress does not show, a passed gate can be undone, and projects that pass every gate still stop. The method has not yet been tested against outcomes. How it works.

How India approves, powers and taxes data centers is on Data center rules in India.

Where it sits

Kolkata holds 4 active projects with 135 MW of planned IT load between them, and Nxtra Kolkata (Bengal Silicon Valley) ranks third by planned capacity. Of those, 3 are operational and 1 is under construction. Published colocation vacancy in Kolkata was 17% as of June 2025. Vacancy excludes hyperscaler self-build.

Nxtra has 1 other in India tracked by ArusGrid, including Nxtra Siruseri campus (CHE 2, CHE 3, DC3). Named funding comes from Bharti Airtel on the equity side. No tenant has been disclosed, which is normal for colocation and says nothing about occupancy.

The dated record runs from under construction in November 2022 to under construction on 27 March 2026. Power comes from Eight renewable energy partners (unnamed) through a renewable power purchase agreement (reported, unconfirmed).

The US export control position for advanced AI chips in India, as of 27 September 2026, is recorded as “No US destination-based licence requirement as enforced”. ArusGrid holds 5 public sources for this project, the latest dated 14 July 2026, and last checked the record on 20 October 2026.

How well evidenced is it

Construction or financing is evidenced, or several independent signals agree. The rules are fixed and published on the Methodology page.

Reaching this stage requires a dated construction source, which corroborates the project on its own.

Named funderYes
Disclosed clientNo
Committed or approved capitalNo
Dated, sized phaseYes
Three or more sourcesYes
Dated source in the last 24 monthsYes

AI workloads

StatusLikely

Airtel FY26 annual report lists Kolkata among AI-ready campuses designed for 60 to 140 kW racks and liquid cooling.

Access to AI chips

GradeNo US licence required

This country carries no US destination-based licence requirement for advanced AI chips as the rules are enforced today. Access is a commercial matter between the project and its vendors. Criteria are published on the Methodology page.

US licence required for this destination as enforcedNo
A party headquartered in China or Macau on the projectNo
Country-level export frameworkNo
A party named in a government authorisationNo
US approved operator or confirmed client on the projectNo
Named chip-vendor partnershipNo

No US destination-based licence requirement as enforced · No US destination-based licence requirement as enforced (2026-09-27) source

Phases

Building · Under construction25 MW, target 2026

Stage history

2022-11Under construction · datacenterdynamics.com
2026-03-27Under construction · kolkatacalling.com

Who is behind it

OperatorNxtra by Airtel · Telco
Funder, EquityBharti Airtel

Who uses the compute

No tenant disclosed. Most colocation leases are confidential, so this says nothing about occupancy. Not yet checked against second-order sources.

Money at this site

ArusGrid estimate, building costabout US$141m to US$210m

No figure has been announced. This range is 25 MW of planned IT load times a published benchmark of US$6.64 per watt for Mumbai, plus or minus 15 percent, with 10 percent more at the top for liquid cooling because the project is AI-positioned. It covers the building and its mechanical and electrical plant. It excludes land, grid works, servers and fees.

Benchmark: Turner & Townsend Data Centre Construction Cost Index 2025, as reported by Data Storage Asia. An estimate is never added to any total on the site.

Colocation price per kW of IT load per month

ArusGrid estimate, grade CINR 7,650 to INR 11,900 (about USD 91 to 142)

ArusGrid estimate, grade C. Published band for this country. Priced on the wholesale band. No usable capex for this site. Electricity unstated in the band. An estimate, never a quote, computed by fixed rules published on the Colo prices page and never counted in any total.

market band, wholesale (2024-12)INR 7,650 to INR 11,900 Cushman & Wakefield for Sify Infinit Spaces, 2025-10-16
Power supply
Renewable power dealEight renewable energy partners (unnamed) · Nov 2022 Reported source ↗
Nxtra has invested in or partnered with eight organisations to source over 180,000 MWh of renewable energy. The Kolkata site is designed to run on renewable energy. · Covers the operator's wider portfolio in this country, not this site alone.

Sources checked 2026-10-20

  1. Airtel's 600 crore hyperscale data centre coming up in Bengal Silicon Valley New Town (Kolkata Calling, 2026-03-27)
  2. Airtel deepens data centre push with 1GW capacity target (The Tech Capital, 2026-07-14)
  3. Airtel Announces US$1 Billion Investment in Nxtra Led by Alpha Wave Global and Existing Investor Carlyle (Bharti Airtel, 2026-03-30)
  4. Airtel's Nxtra breaks ground on new data center in Kolkata (DCD, 2022-11-22)
  5. Airtel’s Nxtra Starts Constructing Largest Data Center in East India (Telecom Review Asia, 2022-11-23)

More in Kolkata

Also run by Nxtra

Planned MW is IT load, the power available to servers, unless marked otherwise. Running capacity is rarely published, so a missing figure means undisclosed. Definitions, sourcing standards and evidence rules are on the Methodology page. Data is CC BY-NC 4.0. Corrections go to corrections@arusgrid.com. Dataset updated 2026-10-18.