Tata became chairman of the autos to steel conglomerate in 1991 and ran the group founded by his great-grandfather more than a hundred years ago until 2012. He founded telecommunications company Tata Teleservices in 1996 and took IT company Tata Consultancy Services public in 2004. After stepping down, he was conferred with the title of chairman emeritus of Tata Sons, Tata Industries, Tata Motors, Tata Steel and Tata Chemicals, the company website says. (This story has not been edited by News18 staff and is published from a syndicated news agency feed - Reuters )