KL Rahul will have to show drastically improved leadership acumen when he leads India against a buoyant South African side in the second ODI on Thursday.
Dube smashed an unbeaten 79 off 60 balls that included a half a dozen of sixes and three boundaries which took India's score to 327 for 6 in 47 overs.
Whether he is batting in the middle or fielding at the boundary line, Virat Kohli's every move will be tracked, though some of that attention will now be on skipper K L Rahul.
Young Ishan Kishan blasted a blistering 24-ball 55 as India 'A' beat South Africa 'A' by two wickets in the rain-hit second unofficial ODI to take a 2-0 lead in the five-match series.
Images from the third One-Day International between South Africa and India, in Cape Town, on Sunday.
Local hero Sanju Samson struck a blistering 48-ball 91 as India A romped to a 36-run victory over South Africa A in the fifth and final unofficial ODI, helping the hosts claim the series 4-1, in Thiruvananthapuram, on Friday.
Punjab youngster Shubman Gill would be keen to prove his credentials during the upcoming five-match ODI series against South Africa 'A'.
590 cricketers -- including 370 Indian players and 220 overseas players -- will go under the hammer during the two-day mega auction in Bengaluru on February 12 and 13.