“Saawariya” announces itself as an adaptation of Dostoyevsky's “White Nights,” but whatever Russian soul may dwell deep within it is pretty well drowned in Bollywood style. Eye and ear candy for fans of Indian musical cinema, it is 2 hours 11 minutes – bracingly compact by Bollywood standards – of wide-screen close-ups, fanciful sets, colorful costumes, bellybuttons and 10 pumped