NAGPUR: India captain Mahendra Singh Dhoni elected to bat after winning the toss against South Africa in a key World Cup Group B match on Saturday Both teams are already virtually assured of quarter-final places.India made one change from the side that beat the Netherlands by five wickets in the previous match in Delhi, bringing in seamer Munaf Patel in place of leg-spinner Piyush Chawla.South Africa replaced injured leg-spinner Imran Tahir with off-spinner Johan Botha for the only change from the team that lost to England by six runs in Chennai.India currently top the seven-team group with seven points from four games, while South Africa have four points from three matches.India: Mahendra Singh Dhoni (captain), Virender Sehwag, Gautam Gambhir, Sachin Tendulkar, Virat Kohli, Yuvraj Singh, Yusuf Pathan, Harbhajan Singh, Zaheer Khan, Ashish Nehra, Munaf Patel.South Africa: Graeme Smith (captain), Hashim Amla, Johan Botha, AB de Villiers, JP Duminy, Faf du Plessis, Jacques Kallis, Morne Morkel, Robin Peterson, Dale Steyn, Morne van Wyk.Umpires: Ian Gould (ENG) and Simon Taufel (AUS), TV umpire: Billy Doctrove (WI)Match referee: Ranjan Madugalle (SL)
