Prem Saini looks and behaves like any other teenager - she enjoys music and Bollywood films. But while most teen rebellion centres around skipping a curfew, or bunking a class, this 17-year-old has fought the battle of a lifetime. A few days ago, her parents said that it was time for her to honour the marriage she was put through when she was 12 years old and move to the home of her husband, who works as a farmer in a village nearby.