Ratan Tata's successor Noel Tata, who now leads Tata Group, sought clarity on the prospect of Tata Sons debuting its shares on the stock market during the conglomerate's primary holding company's board meeting, Moneycontrol reported. Tata Sons Chairman N Chandrasekaran remained non-committal on the issue, indicating the growing differences among key stakeholders. Noel Tata is opposed to the IPO.