Tata Sons' Chandrasekaran resigns amid tension with group's controlling charity arm

NEW DELHI: The chairman of India's Tata Sons, N Chandrasekaran, said on Wednesday (Aug 12) that he has resigned in light of the lack of board approval for his reappointment amid tensions with the charity arm that controls the salt-to-aviation Tata Group.Tata Sons controls more than 30 companies in the conglomerate, including Tata Consultancy Services (TCS), Tata Motors and Air India, but is in turn 66 per cent owned by Tata Trusts, the group's charitable arm.Disagreements have been brewing between Chandrasekaran and Tata Trusts over the past few months, with the two sides clashing over board representation, strategy, losses at group company Air India and how to handle the planned exit of a minority shareholder.In February, Tata Sons postponed a decision on reappointing Chandrasekaran as ch