Malayali director Jayaraj’s film ‘Ottaal’ (2015), an adaptation of Anton Chekhov’s short story ‘Vanka', won the Crystal Bear award at the International Berlin Film Festival on Saturday. The film featuring Ashanth K Sha and Kumarakom Vasudevan, won the award for the ‘Best Film for Children’. It has also won the National Award for Best Film on Environment Conservation/Preservation.