India News: Indian national Sarabjit Singh was in a "deep coma" and put on ventilator support after being assaulted by a group of prisoners in a Pakistani jail, with doctors on Saturday saying that they will not be able to perform surgery on him till his condition stabilises. <br /><br />Sarabjit, 49, was in an Intensive Care Unit of the state-run Jinnah Hospital in Lahore, where he was admitted yesterday after being brutally beaten by at least six other prisoners within his barrack at the Kot Lakhpat Jail.