The movie Billu is an adaptation of Kadha Parayumbol , which was critically acclaimed .
The film was released on 13 February 2009.It is a official adaptation of the 2007 Malayalam film Kadha Parayumbol and its screenplay by Manisha Korde and Mushtaq Sheikh closely imitating Rajinikanth guest starrer Kuselan , the Tamil remake of the Malayalam original .
Billu