PUNE: India captain Virat Kohli blended grace with determination to raise his record-breaking seventh double hundred which grinded down a hapless South Africa on the second day of the second Test on Friday. Scorecard: India vs South Africa, 2nd Test With Kohli scoring a career-best unbeaten 254, India buried the Proteas under a mountain of runs, putting on board a mammoth 601 for five. Kohli surpassed legendary Sachin Tendulkar and Virender Sehwag, who had scored six double tons each. READ ALSO: Full list of records set by Virat Kohli on Day 2 of the Pune Test He also equalled Ricky Ponting’s record of 19 hundreds as Test skipper even though record belongs to Graeme Smith (25). Ravindra Jadeja (91) also helped himself with some heavy duty hitting before missing out on his second Test hundred as Kohli declared immediately after his dismissal. At stumps, South Africa were reeling at 36 for three as India aim to wrap the series up inside four days. Umesh Yadav got rid of both the openers — Dean Elgar (6) and Aiden Markaram (0) — while Mohammed Shami saw the back of Temba Bavuma (8). Kohli effortlessly shifted gears, toying with an attack which looked…