India won the fourth T20I against South Africa by 82 runs
Dinesh Karthik scored 55 runs off 27 deliveries
He also overtook MS Dhoni milestone
DK batted first and led India to an 82-run victory over South Africa
He became the oldest Indian player to score a T20I fifty
India were 95/4 after 15 overs, big-hitting from DK and Pandya, they set a target of 169
The final decider game will take place on Sunday
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