MOHALI (Reuters) - Captain Ricky Ponting struck his third half-century of the series and Cameron White hit 62 as Australia were bowled out for 250 in the fourth one-dayer against India on Monday. Ponting made a chanceless 52 and put on 64 for the second wicket with opener Shane Watson (49) after top-ranked Australia, 2-1 down in the seven-match series, were asked to bat first in the day/night game