Pietersen has reacted to his omission.
BBC Sport - Kevin Pietersen disappointed at England squad for India tour
He should have kept it plain and simple.
"I am sorry for my part in the chain of events leading to my exclusion, I hope we can move forward and I can return to the England fold when the time is right"
Or something like that, apologetic not trying to explain his actions/what is going on, just show you are humbled and apologetic and say as little as possible.
BBC Sport - Kevin Pietersen disappointed at England squad for India tour
He should have kept it plain and simple.
"I am sorry for my part in the chain of events leading to my exclusion, I hope we can move forward and I can return to the England fold when the time is right"
Or something like that, apologetic not trying to explain his actions/what is going on, just show you are humbled and apologetic and say as little as possible.