Jio working on world's largest undersea cable system to support demand in data The high capacity and high-speed systems will provide more than 200 Tbps of capacity spanning over 16,000 kilometres. IAX is expected to be ready for service mid-2023 while IEX will be ready for service in early 2024 Yasmin Ahmed | May 18, 2021 | Updated 13:56 IST (Picture: Reuters) Highlights Reliance Jio has announced that it will construct the largest international submarine cable system centered in India. The IAX system connects India eastbound to Singapore and beyond while the IEX system connects India westbound to the Middle East and Europe. IAX is expected to be ready for service mid-2023 while IEX will be ready for service in early 2024.