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Colt DCS, RMZ begin construction of third data centre with 64 MW capacity
The AI-ready Mumbai 3 facility will add 64 MW of capacity, taking the Navi Mumbai campus's operational capacity to 86 MW, with plans to develop up to 148 MW at the site
Colt DCS and RMZ begin construction of their third Mumbai data centre in Navi Mumbai, designed to deliver 64 MW of AI-ready capacity (Photo: LinkedIn)
Akshat Ayush New Delhi 2 min read Last Updated : Oct 15 2026 | 4:30 PM IST
Colt Data Centre Services (Colt DCS) and Bengaluru-based RMZ have begun construction of their third data centre in Mumbai, at their Navi Mumbai campus. The facility, Mumbai 3, will deliver 64 MW of AI-ready data centre capacity upon completion, the companies announced on Thursday.
Colt DCS and RMZ, which operate as a joint venture (JV), announced plans in 2024 to invest $1.7 billion in the Indian data centre market. Ground preparation began in December 2025, and construction is now underway following the signing of the facility’s first hyperscale customer, the companies said.
Commenting on the inauguration, Pratap Mane, country head, DCS, India, said that the nature of data centre demand is evolving rapidly, with customers requiring larger deployments, higher rack densities and infrastructure capable of supporting increasingly intensive AI workloads.
“Built with AI readiness at its core, the facility incorporates advanced cooling capabilities, including liquid cooling and enhanced power infrastructure to support high-density deployments.
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