Chanakyan

Chanakyan is a 1989 Malayalamlanguage Indian feature film directed by T K Rajeev Kumar, starring Kamal Haasan, Urmila Matondkar, Jayaram, Madhu and Thilakan.

Madhava Menon appoints his friend and DIG, K. Gopalakrishna Pillai Madhu to investigate this case and he finds out foul play.The flash back shows Johnson falls in love with the daughter of a politician Madhava Menon and he does not like the relationship, so he destroys Johnsons family, but Johnson survives. Now Johnson wants to take revenge on the politician. Johnson takes the help of a mimicry artist Jayaram, played by Jayaram for this. At first Jayaram does not know Johnsons intentions, but when he knows the real reason behind it, he supports Johnson. They humiliate and assassinate the character of the Chief minister and the public is now against the Chief minister. ........

Source: Wikipedia