The answer is that India, unlike its rival Asian giant China, has no truly national language of its own. Hindi, the official language of central government, is an artificial and largely unspoken 20th Century construct.
It's known that Britain, France, Norway, India and New Zealand have been among those following the Australian court case closely, to see if there are any lessons for similar plain packaging measures in their countries.
It is the largest conglomerate in India, with interests ranging from tea and hotels to steel and consultancy, and a history spanning more than a century