Australia batsmen continued their onslaught on Indian bowlers to reach 420/4 at lunch on Day 2 of the fourth and final cricket Test match at the Sydney Cricket Ground here Wednesday.
Stand-in skipper Steven Smith (117) went on to make his fourth century of the series while all-rounder Shane Watson scored 81.
Joe Burns (0 not out) and Shaun Marsh (14 not out) were at the crease when lunch was announced.