Science, Discovery, Tech and Environment · 4 July 2026

Microsoft and Lightstorm to build I-2SEA undersea cable linking India and Southeast Asia

Exam-focused facts from the 4 July 2026 current affairs briefing.

Key facts

  • A consortium including Microsoft and Lightstorm plans to build the I-2SEA undersea cable linking India with Malaysia and Singapore.
  • The consortium members include Microsoft, Lightstorm, Tata Communications, Singapore Telecommunications, ASEAN Cableship, and NEC Corporation.
  • The I-2SEA cable will span 3,600 km and feature a landing station in Machilipatnam, Andhra Pradesh.
  • The network is expected to be operational in the fourth quarter of 2029 to support AI, cloud, and hyperscale workloads.
  • India currently has 17 active submarine cables with a maximum potential capacity of 960 terabits per second.