South Africa, chasing 232, managed 201 for eight. Quinton de Kock scored 65 off 35 balls, while Dewald Brevis contributed 31.
India won the Twenty20 series from South Africa 3-1 after taking the last match by a comfortable 30 runs on Friday.
Sanju Samson needed five runs on Friday to become a member of the two-time T20 World Cup winners' 1000-run club.
Bowler Donovan Ferreira tried to take a catch, but he deflected it in the direction of the umpire, who moved out of the way a little too slowly.
T20 cricket in the newest format in International cricket. The first Men's T20 International match between two sides was ...
Poonam's 75 came off 56 balls with 10 hits to the fence while Thirush Kamini took 72 balls for her 56-run knock which contained seven boundaries.
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