India beat South Africa by 337 runs in the fourth and final Test at the Feroz Shah Kotla stadium in New Delhi on Monday to take the series 3-0.
The Indians bowled out the top-ranked tourists for 143 shortly into the final session after setting them a massive target of 481.
Ravichandran Ashwin was the most successful bowler with five wickets for 61 runs while AB de Villiers top-scored for the visitors with 43.
India won the first and third Tests, while rain washed out the second.