Starc's withdrawal comes after pace stalwarts Pat Cummins and Josh Hazlewood were ruled out due to injuries.
Virat Kohli survived a controversial catch call on the first ball he faced in the fifth and final Test at Sydney on Friday.
Coach Langer backed Smith and warned Team India that great players do not miss out on scoring for a long period.
Australia had South Africa reeling at 43-4 at the close on Wednesday after being put in to bat first and scoring 212.
Shubman Gill fell to a bizarre dismissal to a loose shot off the final ball of the morning session.
The prolific right-hand batsman, who joined the Rajasthan Royals franchise in 2019, captained the side in the 2020 edition in the UAE, where they finished last.
It was all fun and dance in the Delhi Capitals camp as some of their top players showed off their nimble footwork on the dance floor.
Pat Cummins confirmed Australia's new-look batting line-up on Tuesday with Steve Smith to open and Cameron Green at number four in the team to face West Indies in the first Test at Adelaide Oval from Wednesday.
After winning the fourth Test match against England and retaining the Ashes, Australia batsmen Steve Smith and David Warner shared their team's celebratory moments with the fans.
'We've got some areas we can improve, there's some growth within the team and there's two obvious ones.'
Kaif said he was expecting that Delhi Capitals would have to spend more money in order to buy Smith
'Especially in the middle overs. That's going to be a key challenge.'
Australia and India are currently gearing up for the four-match Test series. The first Test will get underway on Thursday at the Adelaide Oval and it will be a day-night contest.
Rajasthan Royals' captain Steve Smith joined his team and waved to the fans from his hotel balcony.
'India is much stronger in white ball than the red ball. Rohit Sharma, Virat Kohli... they know that these youngsters are pushing them.'
Steve Smith has no ambition to be Australia's full-time captain again, the 33-year-old said after leading the team to a nine-wicket victory in the third Test against India.
Australian captain Steve Smith said the pitch for the fourth and final Test match at the Narendra Modi Stadium potentially looks to be the 'flattest day one track' of the series.
The legendary Sachin Tendulkar lauded Australia's Steve Smith on making a remarkable comeback to Test cricket.
Skipper Steve Smith said the opener, who suffered the quad injury while fielding but struggled on to scored 20 runs from 15 balls before the game was washed out, is unlikely to be fit to face India or New Zealand on Tuesday or Wednesday.
Australia batsman Steve Smith took to social media to reassure his fans he will be alright after suffering a concussion while attempting to save a six in Sunday's Twenty20 international against Sri Lanka in Sydney.
Team India donned black armbands during their Champions Trophy semi-final clash on Tuesday, paying heartfelt respect to the late Padmakar Shivalkar
Batting under lights on a lively track, Australia then suffered a collapse of their own and finished day two on 99-6 for an overall lead of 181 as they look to complete a series sweep.
Mitch Owen has been rewarded for his fine form in his first five Twenty20 internationals by being named in both of Australia's squads for short-format series against South Africa in the far north of the country next month.
Nasser Hussain hailed Pakistan's debutant batter Kamran Ghulam for his century during the second Test against Three Lions at Multa
Steve Smith hasn't enjoyed an ideal start in his new role as as opener, with 171 runs from four Tests at an average of 28.
Joe Root is the leading run-scorer at Lord's across all international formats, amassing 2,526 runs in 33 matches at the Home of Cricket.
Speaking ahead of the first Test from June 25 onwards at Barbados, Joseph said as quoted by Sydney Morning Herald, "To take 13 wickets across the series was a good feeling. A lot has changed. There were a lot of opportunities that came my way."
Except in the IPL, the Australians have not had a good look at Varun Chakravarthy's bowling and that could spell trouble for Steve Smith and Co.
Virat Kohli imitates Cameron Bancroft's infamous sandpaper gate incident.
Former captain Tim Paine has been appointed coach of the Australia 'A' team for this season with the country approaching a transition to a new generation of players as a handful of Test stalwarts near retirement.
Virat Kohli top-scored with a fluent 84 as India overpowered Australia by five wickets to storm into the ICC Champions Trophy final, in Dubai, on Tuesday.
Showing an insatiable hunger to learn and succeed, Shubman Gill turned to senior players and former greats for insights, embodying the ethos of a student of the game.
Smith may lead Asutralia in the fourth and final Test against India as regular captain Pat Cummins stays put in Sydney.
'It's something I do in games to visualise where we are bowling, how the batter is playing our bowlers and then out of habit I always mark centre.'
This is Sri Lanka's biggest victory over Australia in ODIs in terms of runs.
Paine succeeded Smith as captain in 2018 after the batter was banned from international cricket for 12 months and suspended from leadership roles for two years for his role in the Cape Town ball-tampering scandal.
Steve Smith received a standing ovation for a fighting 92 at Lord's despite being struck on the neck by a Jofra Archer bouncer.
Smith has been England's tormentor-in-chief in the ongoing Ashes series, which Australia have already retained after winning the fourth Test in Manchester on Sunday.
Only Jos Buttler got going with the bat for the Steve Smith-led side as he played a knock of 70 runs. Bumrah emerged as a star with the ball for Mumbai as he returned with the figures of 4-20 in his four overs.
Root reached the milestone during his 69th WTC appearance - a single pushed to deep backward square leg brought up yet another half-century and sealed his place in the record books.
