The Tata Group is far more than TCS, Tata Motors and Tata Steel. From technology and automobiles to jewellery, retail, power, consumer products, financial services and hospitality, the conglomerate has a presence across some of India’s biggest industries. As N Chandrasekaran decides not to seek another term as Tata Sons chairman, here’s a look at the 10 biggest publicly listed Tata companies, ranked by market capitalisation.