Cast: Arvind Swamy, Arjun, Gautham Karthik, Thulasi Nair; Music: A R Rahman; Direction: Mani Ratnam Kadal starts off with a great promise. Too bad it remains just that: a great promise, but unfulfilled. Yet again, Mani Ratnam dabbles with one of his favourite themes, of good and evil. It is difficult to think that the […]