India, Nov. 13 -- Among the things intriguing and interesting about the India-South Africa Test series is the story of two captains. One more comfortable in his own skin now that South Africa are world champions and the other, a leading all-format batter supervising transition even as he set making the World Test Championship final as a benchmark.

Two Test series old as captain - his debut in that role in England was the stuff of dreams - Shubman Gill, 26, is still getting used to the time difference with Australia and the changes needed from slam-bang to the format that tests you like no other.

"There are different challenges when you play in India as compared to playing in Australia. But you know these challenges will be thrown at you...