Former India captain Sourav Ganguly thinks South Africa are in for a very tough series when they take on India in four Test matches, starting early in November.
Before the Tests get underway, the Proteas will play three T20s and five ODIs but much of the interest will on the longest format of what is a gruelling series.
Ganguly said: "It's a long series and I don't think India can play badly in all the four Tests. South Africa will really have to do well to beat India."
Legspinner Imran Tahir has made a return to the Proteas Test squad largely on the back of his limited-overs form, with him being the number one ranked bowler in ODI cricket.
Ganguly, who played in 113 Tests for India, said his countrymen have to be wary of Tahir especially if they prepare turning wickets.
He continued: "Tahir is a quality spinner and he'll be a threat in Indian conditions. I want India to make sporting wickets and not square turners. If they make a square turner then Tahir will be a match winner."