<p>Batting great Sunil Gavaskar said he was surprised over the controversy regarding a concussion substitute allowed to India during their victory in the Twenty20 series opener against Australia in Sydney on Friday.</p>.<p>India's spin-bowling all-rounder Ravindra Jadeja top-edged a Mitchell Starc bouncer into his helmet in the last over of the innings but was replaced by leg-spinner Yuzvendra Chahal only during the innings break.</p>.<p>Australia coach Justin Langer was seen remonstrating with match referee and former teammate David Boon before Australia began their chase at Manuka Oval.</p>.<p><strong>Also read — <a href="https://www.deccanherald.com/sports/cricket/ravindra-jadeja-ruled-out-of-remainder-of-t20i-series-shardul-thakur-to-replace-him-923631.html" target="_blank">Ravindra Jadeja ruled out of remainder of T20I series; Shardul Thakur to replace him</a></strong></p>.<p>"You can argue that Chahal's not an all-rounder, but any bowler who goes out with the bat, whether he scores one run or 100 runs, is an all-rounder, as far as I'm concerned," former India captain Gavaskar told the India Today news channel.</p>.<p>"And he bowls, so it's a like-for-like replacement, and the Australian match referee had no objection to that. So I don’t see why there is so much of noise about it."</p>.<p>Later, India captain Virat Kohli said Jadeja, who was subsequently ruled out of the remainder of the series, was dizzy after the head knock.</p>.<p>Like-for-like concussion substitutes were introduced last year to ensure players' safety against head injuries.</p>.<p>Chahal rubbed salt in Australia's wound by claiming match-winning figures of 3-25.</p>.<p>Former India opener Gautam Gambhir said it was a match referee's call whether to allow the substitution.</p>.<p>"There could be a delayed concussion as well ... India used it to the best of their advantage by having a wrist-spinner," Gambhir told the <em>ESPNcricinfo</em> website.</p>.<p>Former Australia player Tom Moody wondered why Jadeja did not receive immediate medical attention after the head knock.</p>.<p>"I have no issue with Jadeja being substituted with Chahal," he said on Twitter. "But I do have an issue with a doctor and physio not being present after Jadeja was struck on the helmet which, I believe, is protocol now."</p>
<p>Batting great Sunil Gavaskar said he was surprised over the controversy regarding a concussion substitute allowed to India during their victory in the Twenty20 series opener against Australia in Sydney on Friday.</p>.<p>India's spin-bowling all-rounder Ravindra Jadeja top-edged a Mitchell Starc bouncer into his helmet in the last over of the innings but was replaced by leg-spinner Yuzvendra Chahal only during the innings break.</p>.<p>Australia coach Justin Langer was seen remonstrating with match referee and former teammate David Boon before Australia began their chase at Manuka Oval.</p>.<p><strong>Also read — <a href="https://www.deccanherald.com/sports/cricket/ravindra-jadeja-ruled-out-of-remainder-of-t20i-series-shardul-thakur-to-replace-him-923631.html" target="_blank">Ravindra Jadeja ruled out of remainder of T20I series; Shardul Thakur to replace him</a></strong></p>.<p>"You can argue that Chahal's not an all-rounder, but any bowler who goes out with the bat, whether he scores one run or 100 runs, is an all-rounder, as far as I'm concerned," former India captain Gavaskar told the India Today news channel.</p>.<p>"And he bowls, so it's a like-for-like replacement, and the Australian match referee had no objection to that. So I don’t see why there is so much of noise about it."</p>.<p>Later, India captain Virat Kohli said Jadeja, who was subsequently ruled out of the remainder of the series, was dizzy after the head knock.</p>.<p>Like-for-like concussion substitutes were introduced last year to ensure players' safety against head injuries.</p>.<p>Chahal rubbed salt in Australia's wound by claiming match-winning figures of 3-25.</p>.<p>Former India opener Gautam Gambhir said it was a match referee's call whether to allow the substitution.</p>.<p>"There could be a delayed concussion as well ... India used it to the best of their advantage by having a wrist-spinner," Gambhir told the <em>ESPNcricinfo</em> website.</p>.<p>Former Australia player Tom Moody wondered why Jadeja did not receive immediate medical attention after the head knock.</p>.<p>"I have no issue with Jadeja being substituted with Chahal," he said on Twitter. "But I do have an issue with a doctor and physio not being present after Jadeja was struck on the helmet which, I believe, is protocol now."</p>