For all its promise of a billion-people market, the discretionary spending boom in the world’s most populous nation has been powered by “India 1,” only about 150 million affluent, English-speaking Indians in a handful of major cities. Now, with India’s economy headed toward becoming the world’s fourth largest, a new race is on to court the next billion: A va…For all its promise of a billion-people market, the discretionary spending boom in the world’s most populous nation has been powered by “India 1,” only about 150 million affluent, English-speaking Indians in a handful of major cities. Now, with India’s economy headed toward becoming the world’s fourth largest, a new race is on to court the next billion: A va…

