There is a strong whiff of filmmaking from an earlier era (the 80s and 90s) in Katham Katham. This is quite evident in the way the film begins, with a murder by the villain to establish his ruthlessness followed by the titles, which appear in the form of negatives of the scenes from the film (a style that was commonplace during the 80s). The film then introduces its two heroes — Pandian (Natraj) and Nandha (Nandha). Pandian, an inspector who is in the pay of Periyannan, the local minister who runs in own government in the place. But he is no Saamy. He is so corrupt that traders shut shop on...