Star batsman Root missed England's four-wicket defeat at Southampton in international cricket's return from lockdown last week after attending the birth of his second child.
Stokes would be leading England in the first Test of the series as regular skipper Joe Root has left the camp to attend the birth of his second child.
Ben is already a big leader in the team, so he is not going to have any problems leading in the first Test, says England B=batsman Zak Crawley
Stokes has already said he's ready to take the challenge to be the "the Scottie Pippen to Joe Root's Michael Jordan", referring to the basketball legend's Chicago Bulls team of the late 1990s
Root's wife is due to give birth in July, meaning he risks missing one of the three behind-closed-doors Tests against the Caribbean side next month.
"Of that group (including Steve Smith, Kane Williamson, Joe Root), Kohli is the best in all three forms. That's unquestionable," Chappell said on 'The RK Show', which is hosted by Radhakrishnan Sreenivasan on YouTube.
Britain is currently in lockdown because of the coronavirus, putting the three-Test series against the West Indies in jeopardy. It was scheduled for June but has been postponed to later dates.
England were hit by a series of gastroenteritis and flu problems before and during the first Test on their recent tour of South Africa.
England, set a huge target of 383 to win at Old Trafford, were bowled out for 197 following some spirited lower-order defiance
Both New Zealand and England are playing the same team.
Three players each from India and New Zealand feature in the Test team, while four each from India and England are part of the ODI side of the year 2018.
London: Joe Root's composed hundred laid the platform for England's 86-run win over India in the second one-day international at Lord's on Saturday. Victory saw...
West Indian swashbuckler Chris Gayle surprisingly went unsold despite his well-established T20 batting credentials. England Test captain Joe Root also went unsold.
Left-arm spinner Ravindra Jadeja maintained his top spot while off-spinner Ravichandran Ashwin occupies the third place.