Chahal finished with 5-22 in 8.2 overs, ripping through the middle-order as India won the toss and skittled their hosts for 118, South Africa's lowest total in home ODI matches.
Chris Gayle will return to the top of the batting order as West Indies look to continue their winning run and secure a semifinal berth when they take on South Africa in the ICC World Twenty20 in Nagpur, on Friday.
Kings XI Punjab skipper George Bailey rued making changes to the batting order, saying it played a part in their defeat to Rajasthan Royals in Friday night's IPL match in Pune.
A threat issued by the Patidar Anamat Andolan Samiti or Patel agitation could affect the game temporarily
England have rested batsman Kevin Pietersen and bowling pair Graeme Swann and James Anderson from their limited-overs squads for the series in Australia starting next month.
Defending champions Mumbai Indians will be aiming to sort their 'opening woes' in both departments of the game when they take on a rejuvenated Kings XI Punjab in a must-win Indian Premier League encounter, in Indore, on, Friday.
Delhi Daredevils find themselves in an 'oh-so-familiar' situation as they seek home comfort against a Chris Gayle-inspired Kings XI Punjab
With an aim to stay relevant till the business end, a desperate Kings XI Punjab will be aiming a comprehensive victory against a down and out Royal Challengers Bangalore in an Indian Premier League, in Bengaluru, on Friday.
With India being outplayed in the Twenty20s, captain Mahendra Singh Dhoni will face added pressure to perform and lead India from the front against a formidable South African unit in the five-match ODI cricket series starting in Kanpur on Sunday.
Chahal and Yadav (3/20) continued their wrist-spin magic and shared eight wickets for 42 runs between them to rattle the hosts in 32.2 overs after Virat Kohli won the toss and elected to bowl.
AB de Villiers returned to form with a brisk half-century which helped South Africa to complete a 62-run win and a 2-1 series victory over New Zealand on Wednesday.
West Indies edged out South Africa by three wickets in their World Twenty20 Super 10 thriller on Friday at Nagpur to book their spot in the semi-finals from Group One. Requiring nine runs off the last over, all-rounder Carlos Brathwaite smashed a six off Kagiso Rabada to seal a famous victory for the Caribbean side. The Proteas are most-likely knocked out of the tournament and will now have to beat Sri Lanka by a handsome margin and hope that England lose to them on Saturday to qualify for the semi-finals.
India lead South Africa by five points and need to win two matches in order to stop falling behind the Proteas.
Pakistan side put its World Cup campaign back on track with an upset 29-run win via Duckworth/Lewis method over South Africa
South Africa have recalled top guns Hashim Amla and Dale Steyn for the two-match Twenty20 series against Pakistan to be played in the United Arab Emirates next month.
India are on cusp of a first ever series win on South African soil across formats as they lead 3-0 in the six-match ODI series.
India cricket captain Mahendra Singh Dhoni is the sole Indian sportsman to figure on Forbes' list of the world's most valuable athlete brands, a list that has been topped by American basketball player LeBron James and includes golfer Tiger Woods and tennis stars Roger Federer and Rafael Nadal.
New Zealand all-rounder Corey Anderson scored the quickest century ever in international cricket on Wednesday, taking just 36 balls against West Indies, to break the record long held by Pakistan's Shahid Afridi.
Tillakaratne Dilshan outshone Hashim Amla's 14th One-Day International century to steer Sri Lanka to a series-levelling 87-run win over South Africa in the second match at Pallekele Stadium on Wednesday.
Rajneesh Gupta presents all the fascinating career numbers of players in the World Cup.
Images from India's practice session at the Eden Gardens, ahead of the third and final T20 against South Africa.
Rohit Sharma bludgeoned the Sri Lankan attack with a record-equalling 35-ball century and powered India to a series-sealing 88-run victory, in the second Twenty20 International, in Indore on Friday.
A summary of sports events and persons who made news on Wednesday
Former Australia left-arm spinner Brad Hogg has said India, with three consecutive wins so far, have gotten over the setback of their disappointing Australia tour that preceded the World Cup.
'Experience is the key. There are basically two ways to read leg-break bowling. Either you pick up from the wrists or wait for the ball to pitch. No two batsmen would employ the same technique'
Besides preparing for the 16-team World Twenty20 2016, India and South Africa will also aim to improve their positions on the ICC T20I Team Rankings.
Trent Boult took the prized wicket of AB de Villiers then bowled Dwaine Pretorious in the penultimate over as New Zealand secured a series-levelling six-run victory in the second One-day international against South Africa on Wednesday.
Kolkata Knight Riders are back in familiar home conditions but can ill-afford to take Kings XI Punjab lightly, who are showing signs of improvement under a newly-appointed skipper, when the two teams clash in Kolkata, on Wednesday.
South Africa's bowlers backed up a solid batting performance led by captain AB de Villiers' 99 to ensure they qualified for the knockout phase of the World Cup with a 146-run victory over United Arab Emirates.
South Africa survived a batting collapse precipitated by a hat-trick from spinner Prosper Utseya to beat Zimbabwe by 61 runs in the third match of the triangular series on Friday.
The World Cup has seen the most talented footballers on the planet. The tournament is also home to the glamorous wives and girlfriends (WAGs) of these players.
Right from the moment England captain Alastair Cook won the toss, his team did no wrong. The hosts humiliated South Africa as they handed them a crushing seven-wicket-defeat with 75 balls to spare in the first semi-final of the ICC Champions Trophy, in London, on Wednesday.
Bruised and battered by Chris Gayle's mauling on Wednesday, England are faced with a must-win situation as they look for ways to contain South Africa in their ICC World Twenty20 match in Mumbai on Friday.
Struggling teams Delhi Daredevils and Kings XI Punjab take on each other in an Indian Premier League match in Mohali on Sunday as they desperately seek to get back to winning ways to stay in the hunt for a play-offs berth.
Pakistan won a bilateral one-day international series against South Africa for the first time when they claimed a one-run victory in a thrilling finale in Port Elizabeth on Wednesday.
Still recovering from a hamstring injury, swashbuckling batsman Chris Gayle was on Wednesday left out of the West Indies' 15-member squad for the One-Day International series against India next month.
'The 2014 Australia tour and the brand of cricket played by the team laid a great foundation of the brilliant run of success enjoyed across all formats and conditions.' 'It also coincided with Virat Kohli enjoying the responsibilities of leading the team and then putting his heart and soul into taking the Indian team to ascend many unconquered summits.'
Some teams have completely overhauled their squads. Others retained their core at the IPL Players Auction.
With the series already in their pocket, India will look to give some of the bench players a chance but there will be no let-up in the intensity as they eye a complete whitewash against Sri Lanka in the third and final T20I in Mumbai on Sunday.
Already out of the reckoning, Gujarat Lions severely dented Kings XI Punjab's play-off chances with a comfortable six-wicket victory in an Indian Premier League match, in Mohali, on Sunday.