The state government and Pon Manickavel have been at loggerheads with each other for a while. The government had tried to transfer all cases of the idol wing to the CBI citing the IG’s 'unsatisfactory performance'.
However, in the last 2 occasions in the case of Abhijit Iyer and OTV, the state assembly seems to move such motion, which is to be used rather judiciously, at its whims.