Police have registered a case under the Unlawful Activities (Prevention) Act over the draping of the body of hardline separatist leader Syed Ali Shah Geelani in a Pakistani flag and the alleged raising of "anti-national" slogans after his death Wednesday, officials said. <br /> <br /> <br />The Budgam Police registered the FIR against unnamed people under various provisions of the Unlawful Activities (Prevention) Act and the Indian Penal Code, they said.