Supreme Court rejected review petition of Akshay Kumar Singh, one of the convicts in the 2012 Delhi gang-rape case. Nirbhaya death convict seeks liberty from SC to file mercy petition. SC says that he is entitled to file mercy plea within the stipulated time period fixed under law. A three-judge bench of the Supreme Court is hearing the review plea filed by one of the four convicts awaiting death penalty in the 2012 Nirbhaya gang-rape and murder.