Welcome to Bollywood. This is studio city, a fantasy-fodder factory, the Bombay-based film capital of the Indian subcontinent. Here every year the Hindi film industry pumps out twice as many pictures as Hollywood to satisfy the romantic cravings of its billion-strong audience, from the mobile-wielding classes who sit in the air-conditioned comfort of big-city cinemas, to the villagers transfixed by dancing images flickering on a dusty courtyard wall.