Mistakes were made and India paid the price for them in the two previous overseas tours of the year.
"Mitch Marsh has not been as consistent as he would like and we would like", said Paine at his pre-match press conference. "This being the first Test we think they'll do the job".
The hosts will play their first Test on home soil since that infamous Cape Town Test against South Africa and Langer said his team also have a lot to prove.
India will pick their side for the first test against Australia, which begins in Adelaide on Thursday, from the following 12 players, BCCI said on Wednesday.Team - Virat Kohli (captain), Murali Vijay, Lokesh Rahul, Cheteshwar Pujara, Ajinkya Rahane, Hanuma Vihari, Rohit Sharma, Rishabh Pant, Ravichandran Ashwin, Mohammed Shami, Ishant Sharma, Jasprit Bumrah. There's the opportunity for him to go back and get a Shield game under his belt before the BBL start.
"And probably the fact that all our three quicks go in real fresh".
Apart from anything else, the decision to drop a recently appointed vice-captain underlined how slim Australia's leadership resources now are.
For India, it is a quest to end their tag of bad travellers after losing the series against South Africa (1-2) and England (1-4) with Australia posing an opportunity for Virat Kohli and co.to win first Test series Down Under in 70 years.
Opener Marcus Harris will make his debut in the series-opener starting at Adelaide Oval on Thursday, becoming Australia's 456th male Test cricketer.
"He's been through some tough times, spent a lot of time in a hospital bed, so any way that we can help to put a smile on his face, it's the very least we can do for him".
"The [Adelaide] wicket over the last few years here has given enough throughout the game [to not need an allrounder]".
Paine was dismissive of questions over whether Starc, Hazlewood and Cummins would be capable of standing up to the workload, given their micro-managed preparation for this assignment.
The dumping of Mitch Marsh will add an extra burden for Josh Hazlewood, Mitchell Starc, Pat Cummins and spinner Nathan Lyon, who will have to take on more overs in what are forecast to be scorching hot conditions in Adelaide.