Reliance Jio tests 4G video calls and TV service at IIT Mumbai Techfest Reliance Jio Infocomm Ltd tested its 4G network at the Techfest in IIT Mumbai by running trials of video calls on the high-speed network and also demonstrating the forthcoming Jio TV service, January 5, 2014 Channel/Game Online/Mobile Launch/Networking/News/Tablet/Telecom News