Colt DCS, RMZ Start Building 64MW Mumbai 3 AI Data Centre
Mumbai – October 15, 2026 -- Colt Data Centre Services (Colt DCS) and RMZ have begun construction of Mumbai 3, a 64MW AI-ready data centre at their Navi Mumbai Campus, after signing a first hyperscale customer and fully pre-letting the facility.
The project is part of the companies' joint venture (JV), announced in 2024, to invest $1.7 billion in the Indian data centre market. Ground preparation began in December 2025. The companies said the JV has reached this milestone within 18 months of signing.
Mumbai 3 lifts Navi Mumbai Campus capacity to 86MW
Mumbai 3 will join Mumbai 1 and Mumbai 2, which currently support large enterprise and cloud workloads. Upon completion, it will raise the campus's operational capacity to 86MW. The campus has the potential to reach up to 148MW at full development.
Both partners have committed to develop 250MW of data centre capacity across Mumbai and Chennai under the JV.