India wants to be 'ruthless' in final Test

New Delhi - Captain Virat Kohli says India wants to be "ruthless" against South Africa in the fourth and final Test starting on Thursday and blank the visitors in the series.

India already has a winning 2-0 series lead.

Kohli said on Wednesday the team wants to create a "winning culture," and will go all out for another victory in a series played on under-prepared pitches offering huge turn.

South Africa captain Hashim Amla said he hoped to make it 2-1 as it was "important to win and salvage some pride."

India won the first Test at Mohali by 104 runs, and the third at Nagpur by 124 runs. The second Test at Bangalore was a rain-affected draw.