Biler Diary is a 2017 Bengali-language Action Adventure movie written and directed by Biswaroop Biswas and Biswarup Biswas. The film begins with a 'retreat', in which alumni from different batches of a residential school have travelled to their alma mater for a reunion.. Biler diary stars Biswanath Basu in the lead role along with Samadarshi Dutta and Sanjay Biswas in supporting roles. The music was composed by Raja Narayan Deb. Cinematography was done by Supriyo Dutta and editing by Susanta Chakraborty. The movie has a running time of 152 minutes. It was released on 1st December 2017.