Sahara Chief Subrata Roy was arrested in Lucknow on Friday, after evading for two days a non-bailable warrant issued by the Supreme Court for his failure to appear before it in a case of non-refund of Rs 20,000 crore to investors. br br Capping a day of dramatic developments, 65-year-old Roy surrendered before police this morning after calling them to Sahara Shaher. br br "Roy has been arrested and will be produced in court later today," SP Trans-Gomti Habibul Hasan said.