bengaluru/mumbai, Oct. 29 -- Tata Trusts chairman Noel Tata and vice-chairmen Venu Srinivasan and Vijay Singh have not approved the reappointment of Ratan Tata's long-time confidant, Mehli Mistry, as a permanent trustee - setting the stage for a 2016-like battle between the Tatas and ousted Tata Sons chief Cyrus Mistry. It's almost a certainty that Mistry, a first cousin of Cyrus Mistry, will challenge the move in court, potentially plunging the philanthropic entities that control Tata Sons into uncertainty. On Tuesday, Noel Tata, TVS Motor Co. chair emeritus Srinivasan, and former defence secretary Singh voted against Mistry's candidature for trustee for life, according to an executive privy to the development. The three other trustees - f...