The euro 12 billion Tata Group is a formidable business force. In most of the sectors the giant conglomerate has entered into, from hotels and automobiles to telecoms and steel, Tata has chased the bigger picture. So when it planned entry to the automotive components field, it would have to be visionary, big and with a definite mission to reach the top league. By Deepesh Rathore and Tilak Swarup.