Hariharan Pillai is happy) is a 2003 Indian Malayalam-language comedy film directed by Vishwanathan, starring Mohanlal and Jyothirmayi.

[4][5] Alunkal recalled in a 2015 interview that it was risky for a newcomer to pen all the lyrics and how the producer of the film, Johnny Sagarika, took that risk.

[4] The film released shortly after Mohanlal's box office success Balettan (2003) and Jyothirmayi's Anyar (2003).

[6] Sagarika dropped his shelved project Chakram with Mohanlal and Dileep after the film's failure.

[9] Mohanlal went on to play a similar role in Vamanapuram Bus Route (2004), which was almost removed from theatres due to the box office failure of this film.