South Africa beat India by 18 runs in the third ODI cricket match, at Rajkot today to take a 2-1 lead in the five-match series.Batting first, South Africa scored 270 for seven riding on Quinton de Kock's 103 from 118 balls. India managed only252 for six in their 50 overs despite half-centuries from Virat Kohli (77) and Rohit Sharma (65). Skipper Mahendra SinghDhoni made a sedate 47.The Scores: South Africa – 270 for7 in 50 overs.India – 252 for 6 in 50 overs.