World champions Australia claimed a four-run victory in the opening one-day international on Sunday after India went close to reaching a daunting target of 293.A plucky eighth-wicket stand of 84 by Harbhajan Singh almost gave India victory after they had slid to 201 for seven. India needed nine off the last over from Peter Siddle but the paceman bowled accurately, conceding just four runs and clean bowling Harbhajan. Earlier, skipper Ricky Ponting excelled in Australia's 292 for eight.