"To be honest, I was not serious when I was young," he said in a video released by the BCCI on Thursday.
Bumrah bowled 53.2 overs at the MCG, the most he has ever bowled in a Test match.
After shouldering the bowling attack and now stepping up to bat, he's proven himself to be an all-round hero.
Cheteshwar Pujara pointed out the inexperience of the Indian batters against the pink ball, highlighting how they played too late, leading to a string of dismissals.
'We still prepare the pitch the exact same way every time to try and get the same good carry, pace and bounce that the Gabba is known for.'
Ashwin acknowledged the emotional turmoil he was experiencing, despite his calm demeanour.
Images from Day 1 of the 'Pink-ball' second Test between Australia and India in Adelaide on Friday.
Sam Konstas had the Indian camp in disbelief with his bold ramp shots off Bumrah
While the whole batting unit faltered, the spotlight fell firmly on seniors Rohit Sharma and Virat Kohli, whose lean patches in recent times have become a matter of concern.
'This one is just incredibly satisfying and has shown that our group here is a very good cricket team'
Katich agrees that if Mitchell Marsh isn't contributing with the ball, then Australia's National Selection Panel will need to have a look at the combination considering the all-rounder's poor returns with the bat.
CA confirmed media reports that Cummins was dining at an Adelaide restaurant on Wednesday night where a positive COVID-19 case was identified.
Australia's Pat Cummins will contact Tim Paine before the Ashes opener on Wednesday seeking some late inspiration ahead of the fast bowler's debut as captain against England at the Gabba.
Who do you think should be part of India's playing XI for the third Test against Australia in Brisbane?
Bumrah now has 36 wickets on Australian soil, and the batter he's dismissed most times is his opposite number Pat Cummins (6).
Any of these match ups could influence the outcome of the Perth Test.
'This Border-Gavaskar Trophy (series) has had the biggest Boxing Day crowd ever passing the Ashes and the series is so delicately poised now, it is living up to every hype.'
Daniel Vettori admitted that a resilient partnership between Indian tailenders Jasprit Bumrah and Akash Deep foiled their plans to enforce a follow-on
The debate over the vacant slot at the top of the Australia batting order continues to captivate the nation's sports media a month before the opening clash in a blockbuster five-Test series against India.
Jasprit Bumrah revealed that Mohammed Siraj has been bowling with a niggle and praised him for fighting through pain.
Pat Cummins is focused on doing justice to his appointment as Australia's new test captain and believes limited-overs leadership would be "too much" for him, the 28-year-old said on Saturday.
The good news is the team management has enough time on hand to think through the defeat and to find answers to the questions Adelaide has thrown up, around both its batting and bowling before the next test begins.
'They have won everything but the Border-Gavaskar Trophy and they know that, they've spoken about that, this is the one they want to tick off.'
Pat Cummins dismissed Ishan Kishan, Daniel Sams, M Ashwin.
The highly-anticipated BGT series will begin next week in Perth as both teams fight for a spot in the World Test Championship final, set to be held next year in London.
Australia captain Pat Cummins lavished praise on Mitchell Starc as the rangy left-arm paceman joined the 300 wickets club in style on Sunday during the first Test win over South Africa.
The Australian team doesn't have the time to think about India's incredible victory at the Gabba in 2021 and ahead of their face-off at the same venue almost four years later.
IMAGES from Day 5 of the 3rd Test played at The Gabba in Brisbane on Wednesday.
Ashwin's legacy, marked by his intellect and dominance on the field, will resonate for years to come.
The pitch offered some variable bounce but did not pose too many problems for the batters till the final hour of play.
Several other pacers are unavailable due to injury including Spencer Johnson and Nathan Ellis.
Akash Deep and Jasprit Bumrah saved India the blushes in the Brisbane Test with a resolute 10th wicket partnership but the rookie pacer on Sunday said his focus was on a wholesome contribution to the team rather than looking to "merely save the follow-on".
Captain Aaron Finch will lead an equally strong batting line-up also featuring the talents of David Warner, Steve Smith, Marnus Labuschagne and Glenn Maxwell.
India will be accorded a tough welcome to Australia as the Optus Stadium pitch for the opening Test of the Border-Gavaskar Trophy has been prepared to offer "good bounce and pace"
Usman Khawaja's fairytale comeback has presented Australia with a selection headache, and captain Pat Cummins conceded it would be hard to drop the in-form batsman from the fifth and final Ashes test against England in Hobart next week.
Ricky Ponting though added that captaincy will be the "hardest thing" for the premier fast bowler.
After several losses in the early years of the new century, a resurgent India notched up two consecutive series wins in Australia to become the Aussies' nemesis.
The Indian team in Australia lacks a bowling attack that is good enough to take 20 wickets in a Test, Cheteshwar Pujara said
Questions are mounting on when the 37-year-old India captain will finally call time on his Test career.
The win propelled New Zealand from sixth to fourth in the updated standings, with a win-loss percentage of 44.44%,