Australia's top order continue to hammer India on the second day of fourth and final cricket test in Sydney. Resuming their innings at the overnight score of 348 for 2 this morning, hosts steadily move ahead as Skipper Steve Smith completed his fourth century of the series. He scored 117 before being removed by Umesh Yadav. Shane Watson missed out on another century as he was sent back by Mohammad Shami at 81.Indian bowlers picked only 2 wickets in the pre lunch session. Shami is leading the pack with 2 wickets in hand so far.This is the last of the four match Test series, and Australians have clinched it with a 2-Nil unassailable lead.