A suspense, action packed thriller, Roshagadu portrays chiranjeevi as a CID informer.
Thyagu and Bhayankar are two gangleaders and CID officer Neelima(Madhavi) is assigned to burst their underworld.
Neelima uses Sikander, who works for them, as her informer, but before sikander manages to gather enough evidences, Bhayankar comes to know about his reality and kills him.
Now, Neelima is left without any support in her mission.
Oneday, she spots a Sikander look a like(chiru again) and persuades him to act like sikander.
During this process, they fall in love with each other.
In the end, sikander manages to liquidate all secret activities of thyagu and bhayankar and helps neelima in completing her mission.
Vaguely inspired from hindi movie DON, where the original don dies and his look a like is used by the police to burst other gangs.
Chiru does his role to perfection, and so does madhavi.
Director KSR Das manages in holding the grip of the viewers with tight screenplay and good action sequences.