ValiyaChirakulaPakshikal ( Birds with Large Wings) is a 2015 Indian Malayalam film written and directed by Dr. Biju and produced by Dr. A.K. Pillai. It is based on an incident in a small village in Kasaragod in the state of Kerala were thousands of people were infected with fatal diseases due to the effects of endosulfan, a pesticide used to protect cashewnut trees.[he film was shot in Kerala and Canada, The film won India’s national film award for best film on Environment conservation/preservation for the year 2015. It was selected to Indian panorama 2015. The film was screened at United Nations as the part of UNEP (United Nations Environmental Programe)