In a major setback for AIADMK General Secretary Sasikala Natarajan, who was aspiring to be the Tamil Nadu Chief Minister, the Supreme Court on Tuesday restored her conviction in a disproportionate assets case.A division bench of of Justice Pinaki Chandra Ghose and Justice Amitava Roy set aside a Karnataka High Court order staying the conviction of Sasikala and three by a trial court. The court directed Sasikala and the others to "immediately" surrender before the trial court and ordered them to serve the remaining portion of their jail term.Justice Roy, in a concurring judgment, expressed deep concern over the "escalating menace of corruption in society".