over 5 tests it would have been tough to call. the Saffers came out heavily on top statistically because they dominated the first test so massicvely.
with each match it got closer. by the third they posted nearly identical first innings scores, both held up by their star batsman, dunno how much closer people want it to be.
tbh de villiers, peterson and smith were looking rather lacklustre, smith played pretty identically to sehwag, fast starts but getting out. you can't seperate the batting form of the wicketkeepers and the bowlers, while steyn and morkel were flying, harris and tsotsobe weren't. Singh on the other hand was becoming more of a threat and khan's presence was helping the seamers.
its you that loves to pontificate on absentees due to injury war, khan was injured for the first and once he came back india's attack improved massively.
not saying india would have won, who can say, but the series got closer, no evidence india were hanging on by the skin of their teeth for it to end and escape with a draw.
furthermore on track record, india have come from behind in most series. recent aus series they won the first by the skin of their teeth but in the second they won easily, they squared sri lanka in the last test, each of the series against south africa they have come back to square the series.o. south africa on the other hand have faded as series have gone on losing winning positions in india, losing the last test in england and australia and failing to close out england in a series they were on top of.