A) Airtel
B) BSNL
C) Vodafone-Idea
D) Reliance Jio
Explanation:Telecom operator Bharti Airtel Ltd has announced that it has joined the SEA-ME-WE-6 undersea cable consortium, in a bid to scale up its high speed global network capacity and serve India’s fast growing digital economy. SEA-ME-WE-6 stands for South East Asia–Middle East–Western Europe 6.