Ahead of the first Test match against South Africa, former Team India cricketer Cheteshwar Pujara said that the need to adjust the game according to the format will be the biggest challenge for Shubman Gill.

"Someone like Shubman, who is still a young player, doesn`t really have a heavy physical workload. But mentally, it can be challenging," said Pujara during the Media Day ahead of the series opener.