The law in its majesty never takes vengeance; men do. He did!
/* Warning Spoilers begin here */
As mentioned, Janardhanan plays the CM. He tries to mimic some gestures of Achuthanandhan, but the similarity ends there. In Roudram, CM is portrayed as a not-so-good guy and having connections with the underworld and gangs. But, in the end, by the power dialogues (that shows off the Double MA in English and Malayalam), CM is back on the right track.