If Barkha Dutt and Pranob Roy are ashamed of their Hindu origins, they should convert. They would be welcomed in many Islamic nations. How openly they would be able speak is a different matter. If they don't like their brown skin, they can also get a white skin like their idol Sonia Gandhi. Modern medical facilities has made is possible and easy. If they don't have money for that, world wide Hindus would be glad to run a charity campaign for this great cause.