South Africa's Quinton de Kock, left, and Dean Elgar both scored centuries in the first Test against Indiagetty/AFP.
South Africa's Quinton de Kock, left, and Dean Elgar both scored centuries in the first Test against Indiagetty/AFP.

Ton-up Dean Elgar, Quinton de Kock hit India hard before Ravi Ashwin's late strikes