India are kings of all three: First team since Smith's Proteas to reach No 1 in all formats

Rohit Sharma's India have toppled Australia to take top spot in the world Test rankings, making them the number one team in all three international cricket formats as of Wednesday.

Domination ????#INDvAUS pic.twitter.com/TvIKkeqMDy

It's the first time a team has been ranked No 1 in all forms of cricket since South Africa under Graeme Smith did so in 2012. 

The only other team to reach No.1 in all three men's formats, before India today, was Graeme Smith's South Africa back in 2012.#INDvAUS pic.twitter.com/T0FrqjRj4W

The hosts will need to win the second match against Australia starting Friday in New Delhi to stay at the top after they hammered the tourists by an innings and 132 runs in the opener.

India will have history on their side at Delhi's Arun Jaitley Stadium - previously Feroz Shah Kotla - where they haven't lost a Test since 1987.

But coach Rahul Dravid said they will not get carried away by records and focus on the coming five days of action.

"We don't look at previous history and go back in time," Dravid said.

"We cannot get carried away by that. Australia are an experienced team and have good players who know they want to come back."

India hammered Pat Cummins' Australia inside three days during the first match to move closer to securing their berth in June's World Test Championship final at The Oval in London.

They need to win the series 3-1 or 3-0 to make the final.

India became the top-ranked one-day team in January after their 3-0 whitewash of New Zealand, to go with their number one T20 ranking.

Returning batsman Shreyas Iyer has joined the squad for the second Test after a back injury made him miss the opener.

Dravid said a completely fit Iyer will walk into the XI.

"We will assess it and tomorrow as well, when he