The pair have both featured in their country's FIFA World Cup campaign, but will now miss Ghana's final group game against Portugal on Friday morning (AEST) after being punished for alleged indiscipline.

Muntari has been handed an indefinite suspension by the nation's football body for what it describes as an "unprovoked physical attack on an executive committee member of the GFA and a management member of the Black Stars, Mr. Moses Armah, on Tuesday 24th June, 2014 during a meeting".

The Inter man has made 82 appearances for Ghana but his international career now appears to be over.

Schalke midfielder Boateng is also the subject of an indefinite suspension following a recommendation from coach Kwesi Appiah.

"The decision takes immediate effect," read a separate statement from the GFA.

"The decision was taken following Boateng's vulgar verbal insults targeted at coach Kwesi Appiah during the team's training session in Maceio this week.

"Boateng has since showed no remorse for his actions, which has resulted in the decision."

In quotes reported by Bild, Boateng protested his innocence, claiming he had been the subject of insults from Appiah.

"I asked him what he had against me? Then he started yelling at me. He insulted me," said Boateng.

"No one should believe that I insulted the coach. I will now travel home and I wish my colleagues all the best for the World Cup and the match against Portugal. "

The build-up to Ghana's final group game had already been disrupted by a row over the squad's appearance fees.

Ghana still has a chance of making the last 16 of the World Cup, but must claim victory against Portugal and hope Germany beats the United States, while also making up a goal-difference deficit.

Boateng was quick to send out a picture of himself and Muntari via his Twitter account, showing solidarity as a pair but saying nothing of the ban, aprat from a hashtag "don't believe the hype", which presumably relates to the drama.