Waste management is a crucial activity and should be performed as per the guidelines to ensure proper infection control. There are different norms for waste management in community and hospital. However improper handling of waste in hospital may cause a health hazard in community also. This is more prone in situations like COVID-19. Inspire of different wastes there is an interacting blue bin used for solid waste management as well as the biomedical waste management. This paper aims is to highlight the interaction of the blue colour in hospital waste as well as the solid waste management guidelines and aims to isolate colours for improving the chances of errors.