Imran Khan’s famous line has always been, “to win matches, you have to take 20 wickets”. India, except in the days of the four great spinners—and that too, occasionally, has not often done that abroad.

Then suddenly, in January 2018, in South Africa, Kohli-led India showed they could take 20 wickets abroad. In all three Tests India bowled out South Africa, and their highest score was 335. In three of the six innings South Africa failed to get to 200.