The 3,175-km-long, 8-fiber-paired i2i has the world's largest design capacity of 8.4 terabits per second.[298][299][300][301] Work to lay a 2,300-km undersea optical submarine cable connecting Andaman and Nicobar Islands to mainland India through Chennai, carrying 100 Gb/sec optical waves, is slated to begin in December 2019 and completed by March 2020. It will connect Port Blair and the islands of Havelock, Little Andaman (Hutbay), Car Nicobar, Kamorta, Great Nicobar, Long Island and Rangat with Indian mainland.[302]