30 minutes into the film, IPS officer Vijay loses it. He resembles a drunken auto-driver as he laments, in a state of disarray (complete with the flaps of his shirt open), at the injustice of being suspended from work. That must have been the cerebral component of Sumanth's act of signing up this film - that was it, he had definitely lost it.
Sumanth can wear all the unconvincing moustaches and dark glasses he wants to, and generally make himself 'homely-looking' and difficult to recognize, and behave like he has no clue what he's doing in this turkey or why he's in it at all, but h....