Moeen Ali made history as the first British Asian to captain England in a T20I match against Australia in 2020 and has been an influential vice-captain to Jos Buttler.
Moeen Ali made his white-ball debut for England on their 2014 tour of West Indies and went on to play 138 ODIs and 92 T20Is for the country in his 10-year career.
Bairstow and Ali have over 400 international appearances between them but the veteran pair have been deemed expendable as England revamp their limited overs line-up
India face England in the 2024 T20 World Cup semi-final in Guyana, in a rematch of the 2022 edition.
The ICC Men's T20 World Cup is the pinnacle prize for any international cricketer in the shortest format of the game.
England, who are the defending champions, will be led by Jos Buttler in the T20 World Cup 2024, who had led them to the title in Australia in 2022.
England on Sunday retained six players from the World Cup squad, including skipper Jos Buttler, for the limited-overs tour of the West Indies beginning December 3.
Mohammad Rizwan got cramps after getting dismissed by Moeen Ali in the Cricket World Cup 2023 match against England, triggering meme fest.
Moeen Ali said on Wednesday that "everything is a must-win now" as faltering defending champions England face a Cricket World Cup day of reckoning.
England have lost three games out of four in this tournament and are in dire need to win the next matches to keep their hopes of reaching the semifinals alive.