Australia were 170 runs for the loss of 3 wickets at tea in their first innings against India on the first day of the opening Cricket Test match of the 4 Test series at Melbourne today.Opener Ed Cowan (58*) and skipper Michael Clarke (7*) are batting.Ricky Ponting (62) was looking good but Umesh Yadav sent him back to pavilion, giving India a crucial breakthrough before tea.Earlier, the hosts won the toss and elected to bat first on a green wicket. For the visitors, pacer Umesh Yadav has claimed all the three wickets.