Take it from her. Premier Yingluck insists that if there are changes in the Cabinet, she would be the one to make the decisions, not her brother Thaksin Shinawatra.
It doesn't matter that a group of MPs from her Pheu Thai Party are said to have flown to Hong Kong to "discuss Cabinet changes" with Thaksin. All the rumours about Thaksin picking this and that person for this and that post in the government doesn't bother her. The PM says she is in charge and what the MPs are doing are just their own personal activity.
She is the PM. You've got to believe her.