After many years of stubborn resistance, India have learned first-hand the value of the Decision Review System (DRS).
Ball-tracking technology was unavailable - due to technical issues - early on day three of the Test series decider between Australia and India in Dharamsala. However, it was restored before a contentious call created a major controversy.
It meant the morning's game-changing referral came after the first ball of the day, when Ravindra Jadeja was judged caught behind by umpire Marais Erasmus.
Footage confirmed it was a howler and Jadeja, who was on 16 and instantly reviewed his dismissal, proceeded to push the top-ranked Test side to a first-innings lead.
"The whole purpose of DRS is to eliminate those sort of mistakes," India legend Sunil Gavaskar said on Star Sports.
Former Australia captain Michael Clarke, sitting alongside Gavaskar, agreed.
"It (DRS) is brilliant for cricket," Clarke said.
"DRS was brought into the game to help the game and make it better. Clearly with that decision it's done that, it's good for the game.
"That's an example of why we should continue to support DRS. Because that decision can change the whole outlook of the game. If Jadeja is given out first ball then Australia could have taken the next few wickets quickly."
It was the second Test in a row that Pat Cummins has captured a wicket with his first ball of a day, only to be denied by the DRS.
The Board of Control for Cricket in India (BCCI) ended its DRS boycott late last year, using it on a trial basis in a home series against England.
The ongoing epic series is the first time it has been used in a Border-Gavaskar trophy contest. There have been no shortage of tight calls and tactical reviews during all four Tests.
