South Africa fold up for just 121. India have the option of enforcing the follow-on. Nine wickets have fallen in less than a session. It will be interesting to see if Kohli asks the visitors to come out and bat again.
Ishant Sharma is going through a good spell of fast bowling. Dane Vilas, who was struggling against the pacer, eventually gets beaten by pace and gets his stumps uprooted by an incoming delivery.