An Indian lyricist, B. K. Harinarayanan majorly works in the Malayalam film industry. His 2017 project includes the drama film Oru Cinemakkaran. Directed by Leo Thaddhevoos, the movie stars Vineeth Sreenivasan, and Rajisha Vijayan in the lead. His other projects for the same year include Bobby and Pokkiri Simon. His other releases include Abhiyude Katha Anuvinteyum, Premasoothram, Oronnonnara Pranayakadha, Maarconi Mathaai and Ulta.