As India declares war on Australia, Kohli blazes a century.

With India declaring their second innings, Virat Kohli returned to form on Sunday by smashing a century in the first Test match at Perth against Australia.

In the last session of day three, with a menacing 533-run advantage, the visitors made the call at 487-6.

With just two Test tons in the previous five years, the 36-year-old ace batsman Kohli entered the series under growing scrutiny.

In their most recent humiliating 3-0 home series loss to New Zealand, he averaged barely 15, raising concerns over whether he should still be selected automatically.

He fell for five in the first inning at Perth Stadium, which did not assist his situation, but he reacted bravely on Sunday to leave Australia with a mountain to climb.

He played himself in and rode his luck to reach a half-century before exploding with a barrage of boundaries after Devdutt Padikkal was out for 25.

With eight fours and two sixes, Kohli reached his 30th Test century off 143 balls.

It was his first ton since he accomplished the feat against the West Indies in Port of Spain in July of last year.