Du Plessis made 134 while De Villiers scored 103 but South Africa still found themselves eight runs short of India\'s 458.
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India were still left plenty to do on the final day of the first Test as the hosts finished the fourth day on 138 for 2, still 320 shy of India's target of 458 but still very much having a chance of drawing the game when they come out to bat on Sunday.
South Africa lost both Graeme Smith (44) and Hashim Amla (4) in the space of ten runs, which gave India some fillip going into the final day, but the visitors knew that they would need to strike hard in the morning session on Sunday or the dream of registering a remarkable win away from home would fade away quickly.
When stumps were drawn on the fourth day, Alviro Petersen (76*) and Faf du Plessis (10*) were still at the crease for the hosts.