N Chandrasekaran will leave Tata Sons as chairman after failing to secure board approval for his reappointment, amid tensions with Tata Trusts, which owns about 66% of the holding company. His exit comes as Tata Group navigates major businesses including Air India, Tata Motors, TCS, Tata Steel, Tata Power, retail, semiconductors, financial services and digital businesses, intensifying focus on succession.
