Watch: Go Headlines- Top News of the Hour(October 18, 8AM)br - Air Quality Index in Delhi-NCR remains in very poor categorybr - Manmohan Singh flays Centre over blaming opponents for economic crisisbr - Political heavy weights to take centre stage in election rallies in Haryana and Maharashtrabr - Trouble mounts for P Chidambaram in INX Media casebr more@www.gonewsindia.