Sehwag toppled compatriot Gautam Gambhir [ Images ] from the top position and now has 863 points. Gambhir has slipped to fifth slot with 824 points.
Sehwag smashed a quick-fire 165 in the first innings of the Kolkata [ Images ] Test after his 109-run knock in the first innings of the first match in Nagpur.
South Africa's [ Images ] Hashim Amla [ Images ], who played magnificently throughout the series with three centuries, including a double hundred, also reaped rich rewards and has jumped to second spot with 842 points.
Amla was also adjudged Man-of-the-Series for his brilliant performance in the 1-1 drawn series.
Another Indian in the top-10 in the latest rankings chart is Sachin Tendulkar [ Images ], who is at sixth place with 805 points.
Zaheer Khan [ Images ] is the top ranked India [ Images ]n among bowlers at sixth while off-spinner Harbhajan Singh [ Images ], who was instrumental in India winning the Kolkata Test with a five-wicket haul in South Africa's second innings, is one rung below at seventh, in the list headed by Dale Steyn [ Images ].