India business was surprised by the selection of Cyrus Mistry as Tata deputy chair . Will appoint Ratan Jain as chairman of the Jang Group in January 2018 . The 43-year - old will run one of India 's largest and most iconic companies .
India business press surprised by the selection of Cyrus Mistry as Tata deputy chair . Will replace Ratan Tata as chairman of the Tata Group in December 2012 . The 43-year-old will run one of India 's largest and most iconic companies .