Fast-food giant is opening its first-ever, all-vegetarian restaurants in India, but could stoke a religious backlash.Move over greasy burgers, the world's most recognisable fast food chain is about to go vegetarian.McDonald's has announced plans to open its first-ever, all-vegetarian restaurants in India - a country of 1.2 billion people - where cows are sacred to majority Hindus, and swine are