Onbadhule Guru is a 2013 Indian Tamil comedy film written and directed by P. T. Selvakumar. The film stars Vinay, Aravind Aakash, Sathya Sivakaumar and Shaams (Actor). The film is about the adventurous trip that five guys take together, and what happens to them during their expedition. The film released on 8 March 2013 to negative reviews but declared as a decent hit. The title of the film refers to a prediction used in astrology.