ArusGrid tracks 4 active data center projects in Kolkata, India, with 135 MW of planned IT load. Of these, 3 are operational and 1 is under construction. Projects under construction or commissioning account for 25 MW and operational sites for 110 MW of planned capacity. Operators have disclosed 22 MW actually running, a figure most of them do not publish.
The largest project is CtrlS Kolkata at 60 MW, operational. The operators with the most planned capacity here are CtrlS (60 MW across 1 project), NTT (25 MW across 1 project) and Nxtra (25 MW across 1 project). Published colocation vacancy in Kolkata was 17% as of June 2025. Vacancy excludes hyperscaler self-build.
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”.
| Project | City | Stage | Planned MW | Running MW | Operator | AI |
|---|---|---|---|---|---|---|
| CtrlS Kolkata | New Town, Kolkata | Operational | 60 | 16 | CtrlS Datacenters | No signal either way |
| NTT Kolkata 1 campus | New Town, Kolkata | Operational | 25 | 6.4 | NTT Global Data Centers | No signal either way |
| Nxtra Kolkata (Bengal Silicon Valley) | New Town, Kolkata | Under construction | 25 | undisclosed | Nxtra by Airtel | Likely |
| STT GDC Kolkata New Town | New Town, Kolkata | Operational | 25 | undisclosed | STT GDC India | No signal either way |
All projects in India · Full directory