South Africa lost Faf du Plessis and Quinton de Kock among several experienced batters in recent years, leaving Elgar and Temba Bavuma to shoulder a heavy burden.
The fourth day of the first Test ended with South Africa scoring 94 runs for the loss of four wickets.
'Because we can control the controllable things, so we just think about that.'
Skipper Temba Bavuma has been woefully out of form since his return from injury and also missed the last two ODI due to illness.
Pakistan will join India, England and New Zealand in the semi-finals
India, who have three wins from four games, are the best positioned from the group to make it to the semi-finals.
SA's youngsters took time to adapt to situations
The third day of the first Test ended with India scoring 16 runs for the loss of a single wicket with a total lead now of 146 runs.
The second day of the second Test ended with India scoring 85 runs for the loss of two wickets.
Images from Day 4 of the second Test between Australia and South Africa at the Melbourne Cricket Ground on Thursday.
Australia have kept their bowling options wide open for India tour
Umesh Yadav and Mohammad Siraj have been added to the squad as injury replacements but they do not figure in the World Cup-bound squad, as of now.
'The next game is obviously a big one for us against the Netherlands in Adelaide. Have to put this one behind quickly, take whatever learnings we can.'
South Africa turned the tables on New Zealand with a 198-run victory in the second Test in Christchurch on Tuesday, crushing the hosts' hopes of a breakthrough series win over the Proteas.
Images from the T20 World Cup Super 12 match between the Netherlands and South Africa, in Adelaide, on Sunday.
Elgar's tactics and decision-making were terrible, says Simon Katich
Due to the congested international schedule including the ICC Men's T20 World Cup, there are no alternative dates available
India will meet Bangladesh in the semi-finals in Birmingham on Thursday.
The second India-South Africa Test began at the Imperial Wanderers in Johannesburg on Monday.
South Africa were bowled out for 152 in the first innings at the formerly-named Brisbane Cricket Ground. They were then routed for 99 shortly after tea on day two, leaving Australia needing just 34 runs for a 1-0 lead in the three-match series.
'South Africa remains an unconquered bastion. Remember, the Proteas are no pushovers in their own backyard, but we have got the firepower and the arsenal to match that.'
Game six of the Super 12 competition in the T20 World Cup will see South Africa take on the West Indies at the Dubai international cricket stadium beginning 1530 this afternoon.
South Africa will open their T20 World Cup campaign against Australia on October 23 at the Sheikh Zayed Cricket Stadium in Abu Dhabi.
David Warner slogged his way to his third double-hundred from 254 balls before succumbing to cramps and limping off with the aid of a trainer.
'Just because of the nature of how good those bowling attacks were they probably embellished it a bit. So, you wouldn't want to play on it every day, but I think for occasional Test matches it's not the worst thing.'
The first India-South Africa Test began at the Centurion in South Africa on Sunday.
With batsman Steve Smith and all-rounder Cameron Green in reserve in the squad, some pundits had called on Australia to make changes for the next Super 12 game against former champions Sri Lanka in Perth on Tuesday.
Umesh was brought in as Shami's replacement
In a significant first for world cricket, the International Cricket Council has named an all-female panel of match officials for the upcoming ICC Women's T20 World Cup 2023 in South Africa.
India took a seven-point lead over their closest rival in England in the ICC T20 rankings
A B de Villiers, who is not keen on coaching, could take over as RCB mentor.
Summing up South Africa's dismal show at the World T20 Championships, captain Faf du Plessis said small mistakes like conceding loads of extras in the games against England and the West Indies made a big impact and led to his team's early exit from the mega-event.
South Africa will be without limited-overs stalwarts Hashim Amla and JP Duminy for their white-ball tour of Australia next month but welcome back all-rounder Chris Morris from injury.
Coach Boucher ruing the absence of Aiden Markram during the series but was impressed by one Indian player
A poor batting performance cost Indian team dear as it suffered defeat in yet another summit clash
'Yeah, we come to South Africa knowing that the wickets will be different from back home. Even the last time we played there was a lot of talk about we getting bounced out and we are going to struggle against the short ball. I think our batsmen stood up very nicely'
Suresh Raina became the first Indian batsman to crack a Twenty20 international century, helping his team register a 14-run victory over South Africa and progress to the Super Eights at the ICC World Twenty20.
Faf du Plessis believes Mahendra Singh Dhoni, among others, helped him mature as a leader
India lead Group 2 with two wins in as many games while South Africa are second with three points
Rossouw determined to continue his roller-coaster ride