India won the second Test against South Africa by an innings and 137 runs to seal the three-match series with a game to spare, in Pune on Sunday.
India had won the series-opener in Bengaluru by 203 runs.
Following on, South Africa were all out for 189 in their second innings in the final session of day four.
India scored a mammoth 601 for five in their first innings with skipper Virat Kohli leading the side with a majestic double hundred.
Opener Dean Elgar (48) was the top-scorer for the visitors while pacer Umesh Yadav (3/22) and left-arm spinner Ravindra Jadeja (3/52) took three wickets apiece for India.
The third and final Test will be played in Ranchi from October 19.
South Africa will return to India next year to compete in a three-match ODI series, beginning in Dharamsala on March 20.