Tata Communications enhances India-Singapore cable network

Details: Vaughan O'Grady; Category: Optical & Fixed Networks; 30 June 2026; 430 views

Communications technology giant Tata Communications has announced strategic investments in subsea cable infrastructure to strengthen its connectivity solutions between the emerging AI hubs of Mumbai and Chennai in India and Singapore.

These investments in added fibre capacity are aimed at addressing the growing bandwidth and AI-driven data demands of enterprises across Asia and further extension globally.

The company is adding capacity to its global subsea cable network, linking India with Singapore, with a cumulative investment of US$152 million. Specifically, Tata Communications is adding 20Tbps capacity to the Myanmar/Malaysia India Singapore Transit (MIST) Cable System, between Mumbai and Singapore, which will involve a US$63 million investment in FY27.

The company says it is also investing as a consortium member in a new subsea cable system, connecting Chennai to Singapore (aka Project CS), with 78Tbps capacity and a US$89 million investment between the 2027 and 2031 financial years. This system is expected to be service-ready by the fourth quarter of 2029.

Genius Wong, Executive Vice President – Core and Next-Gen Connectivity Services, and Chief Technology Officer, Tata Communications, explains: “As global demand for digital and AI-driven services continues to accelerate, these investments reinforce our commitment to building future-ready digital infrastructure at scale.”

He adds: “By combining subsea capacity enhancement with both short term and long-term strategic investments, we are strengthening the reliability, scalability and performance of connectivity solutions for our customers across one of the world’s busiest digital corridors. These enhancements align with Tata Communications’ long-term strategy to expand its global subsea network footprint, provide business outcome solutions to customers and reinforce India’s position as a higital hub.”

The India-Singapore subsea route, says Tata, is set to become one of the world’s most critical digital corridors in future, representing a high-capacity, low-latency pathway that will underpin critical enterprise, cloud and hyperscaler traffic between India, Southeast Asia, and global markets.