Subrata Roy, the self-styled managing worker of Sahara India Pariwar, India's biggest private-sector employer, will appear before the Supreme Court on Tuesday after spending the weekend in custody at a government nature-reserve guest house.br br br Roy was arrested on Friday after failing to appear at a Supreme Court hearing - which he says he missed to attend to his ailing mother - related to a multi-billion-dollar Sahara investment scheme that was later ruled to be illegal.