Tamizhuku En Ondrai Azhuthavum (transl. Dial 1 for Tamil; also referred to as TEOA) is a 2015 Tamil-language thriller film written and directed by Ramprakash Rayappa. Produced by V. Chandran, the film stars Nakul, Attakathi Dinesh, Bindu Madhavi and Aishwarya Dutta. The film received positive reviews from critics.