Ind vs Aus: Usman Khawaja shatters Indian dream of whitewashing Australia in Test series.

AHMEDABAD -- Usman Khawaja defied India to stand unbeaten on 180 and Cameron Green hit his maiden century to take tourists Australia to 409-7 at tea on day two of the fourth Test on Friday.

The Ahmedabad pitch still favoured batters but spinner Ravichandran Ashwin grabbed three wickets in the second session - among them Green's - to bring some Indian joy.

In what has been a low-scoring series, giant all-rounder Green got his maiden international century with a boundary and was greeted with a hug from Khawaja, before falling for 114.

Ashwin snared two wickets in one over. He broke the massive stand of 208 - Australia's highest Test partnership in India since 1979 - after he got Green caught behind on a delivery sliding down the leg side.

He had wicketkeeper-batter Alex Carey out for a duck three balls later and soon sent back Mitchell Starc for his fourth wicket in the innings.

The left-handed Khawaja, who struck his first Indian Test ton on day one and 14th overall, kept up his grind from one end with Nathan Lyon for the company on six at the break.

Khawaja remained...