. . . . . . . . "Ratan Naval Tata (born 28 December 1937) is an Indian businessman, investor, philanthropist and chairman Emeritus of Tata Sons. He was the chairman of Tata Group, a Mumbai-based conglomerate from 1991\u20132012. He stepped down as the chairman of Tata Group, on 28 December 2012 but continues as the chairman of the Group's charitable trusts."@en . . . "Ratan Tata"@en . "Tata, Ratan Naval"@en . . . "Indian businessman" . . . . "1937Z"^^ . . "1937-12-28Z"^^ . . .