Travis Head is predicting fierce net sessions will decide Australia's line-up for the first Test against India.

The Australian squad ramp up their preparations today with training at the Adelaide Oval for the series-opening first Domain Test starting on Thursday.

And Head, who is among seven batsmen vying for six spots in the Test team, is predicting some torrid internal battles in the nets.

Head appears assured of playing his first home Test with coach Justin Langer saying the last batting slot is between Victorian duo Marcus Harris and Peter Handscomb.

But Head is reluctant to declare himself a certain starter before what he says will be challenging training sessions for batsmen against Australia's bowlers.

"I like to compete in the nets ... you have to compete in the nets against our bowlers," Head said.

"It's hard work. You don't get anything easy.