Complex sentence: According to Ranjith, both Mohanlal and Manju would have strong roles and the story was based on a socially relevant theme, but within the frames of mainstream cinema, which was set to begin production sometime in December 2013.
Split into simpler sentences: According to Ranjith, both Mohanlal and Manju would have strong roles and the story was based on a socially relevant theme, but within the frames of mainstream cinema. The film was set to begin production sometime in December 2013.