Old warhorse K. Karunakaran, who is fighting an unrelenting battle against Kerala Chief Minister A.K.Antony, is believed to have mooted a compromise formula of rotational chief ministership in Kerala. He has suggested that he be made the chief minister for the next year and a half and Antony could rule for the last year of the remaining term.It is not known what the party high command has to say about the idea but Kerala Congress leaders have taken a dim view of it. A senior AICC leader reacted angrily by asking: ‘‘Does he think Kerala is a banana state?’’ Rs 1 cr for each MLA: Speaker