Cyrus Mistry, was "fully empowered" to run India's largest conglomerate Tata Sons has said in a statement today amid international focus on the abrupt removal of its 48-year-old Chairman. Refuting Mr Mistry's remarks that his authority was undermined by the constant interference of Ratan Tata, the group's patriarch, Tata Sons says that Mr Mistry "was party to for over a decade in different capacities" to the decisions that he has flagged as problematic in a lengthy e-mail to the board of the group.