Student or Learner
The ouster of the Indian cricket team from the World Cup in the first round has seen the differences in the team come out in open.
In a startling revelation on Tuesday night, veteran journalist Rajan Bala said that coach Greg Chappell was unhappy with the squad chosen for the World Cup.
Please explain the highlighted group of words.
[I know the meaning of startling and also revelation but I couldn't understand what is `In a startling revelation' in this sentence]